diff --git a/.gitignore b/.gitignore
index ddb2c5f..9837865 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,8 @@
+.gradle/
+build/
+gradle/
+gradlew
+gradlew.bat
 *.iml
 .idea
 infer-out
diff --git a/build.gradle b/build.gradle
new file mode 100644
index 0000000..1c1b7de
--- /dev/null
+++ b/build.gradle
@@ -0,0 +1,91 @@
+// gradle wrapper
+// ./gradlew clean generateLock saveLock
+// ./gradlew compileJava
+// ./gradlew run
+// ./gradlew run --debug-jvm
+// ./gradlew publishToMavenLocal
+
+
+buildscript {
+    ext {}
+    repositories {
+        jcenter()
+        mavenLocal()
+        mavenCentral()
+        maven { url "https://clojars.org/repo" }
+        maven { url "https://plugins.gradle.org/m2/" }
+    }
+    dependencies {
+        classpath 'com.netflix.nebula:gradle-dependency-lock-plugin:4.+'
+        classpath 'com.uber:okbuck:0.19.0'
+    }
+}
+
+apply plugin: 'java'
+apply plugin: 'idea'
+apply plugin: 'eclipse'
+apply plugin: 'java-library'
+apply plugin: 'maven-publish'
+apply plugin: 'com.uber.okbuck'
+apply plugin: 'nebula.dependency-lock'
+
+task wrapper(type: Wrapper) {
+    gradleVersion = '4.0.2'
+}
+
+jar {
+    baseName = 'helenus'
+    group = 'net.helenus'
+    version = '2.0.17-SNAPSHOT'
+}
+
+description = """helenus"""
+
+sourceCompatibility = 1.8
+targetCompatibility = 1.8
+tasks.withType(JavaCompile) {
+    options.encoding = 'UTF-8'
+}
+
+configurations.all {
+}
+
+repositories {
+    jcenter()
+    mavenLocal()
+    mavenCentral()
+    maven { url "file:///Users/gburd/ws/helenus/lib" }
+    maven { url "https://oss.sonatype.org/content/repositories/snapshots" }
+    maven { url "http://repo.maven.apache.org/maven2" }
+}
+dependencies {
+    compile group: 'com.datastax.cassandra', name: 'cassandra-driver-core', version: '3.3.0'
+    compile group: 'org.aspectj', name: 'aspectjrt', version: '1.8.10'
+    compile group: 'org.aspectj', name: 'aspectjweaver', version: '1.8.10'
+    compile group: 'org.apache.commons', name: 'commons-lang3', version: '3.6'
+    compile group: 'org.springframework', name: 'spring-core', version: '4.3.10.RELEASE'
+
+    compile group: 'com.google.guava', name: 'guava', version: '20.0'
+    compile group: 'com.diffplug.durian', name: 'durian', version: '3.+'
+    compile group: 'io.zipkin.java', name: 'zipkin', version: '1.29.2'
+    compile group: 'io.zipkin.brave', name: 'brave', version: '4.0.6'
+    compile group: 'io.dropwizard.metrics', name: 'metrics-core', version: '3.2.2'
+    compile group: 'javax.validation', name: 'validation-api', version: '2.0.0.CR3'
+    compile group: 'org.slf4j', name: 'slf4j-api', version: '1.7.1'
+
+    runtime group: 'org.slf4j', name: 'jcl-over-slf4j', version: '1.7.1'
+
+    testCompile group: 'org.codehaus.jackson', name: 'jackson-mapper-asl', version: '1.9.13'
+    testCompile group: 'com.anthemengineering.mojo', name: 'infer-maven-plugin', version: '0.1.0'
+    testCompile group: 'org.codehaus.jackson', name: 'jackson-core-asl', version: '1.9.13'
+    testCompile(group: 'org.cassandraunit', name: 'cassandra-unit', version: '3.1.4.0-SNAPSHOT') {
+        exclude(module: 'cassandra-driver-core')
+    }
+    testCompile group: 'org.apache.cassandra', name: 'cassandra-all', version: '3.11.0'
+    testCompile group: 'commons-io', name: 'commons-io', version: '2.5'
+    testCompile group: 'junit', name: 'junit', version: '4.12'
+    testCompile group: 'com.github.stephenc', name: 'jamm', version: '0.2.5'
+    testCompile group: 'org.hamcrest', name: 'hamcrest-library', version: '1.3'
+    testCompile group: 'org.hamcrest', name: 'hamcrest-core', version: '1.3'
+    testCompile group: 'org.mockito', name: 'mockito-core', version: '2.8.47'
+}
diff --git a/dependencies.lock b/dependencies.lock
new file mode 100644
index 0000000..8222106
--- /dev/null
+++ b/dependencies.lock
@@ -0,0 +1,648 @@
+{
+    "compile": {
+        "com.datastax.cassandra:cassandra-driver-core": {
+            "locked": "3.3.0",
+            "requested": "3.3.0"
+        },
+        "com.diffplug.durian:durian": {
+            "locked": "3.5.0-SNAPSHOT",
+            "requested": "3.+"
+        },
+        "com.google.guava:guava": {
+            "locked": "20.0",
+            "requested": "20.0"
+        },
+        "io.dropwizard.metrics:metrics-core": {
+            "locked": "3.2.2",
+            "requested": "3.2.2"
+        },
+        "io.zipkin.brave:brave": {
+            "locked": "4.0.6",
+            "requested": "4.0.6"
+        },
+        "io.zipkin.java:zipkin": {
+            "locked": "1.29.2",
+            "requested": "1.29.2"
+        },
+        "javax.validation:validation-api": {
+            "locked": "2.0.0.CR3",
+            "requested": "2.0.0.CR3"
+        },
+        "org.apache.commons:commons-lang3": {
+            "locked": "3.6",
+            "requested": "3.6"
+        },
+        "org.aspectj:aspectjrt": {
+            "locked": "1.8.10",
+            "requested": "1.8.10"
+        },
+        "org.aspectj:aspectjweaver": {
+            "locked": "1.8.10",
+            "requested": "1.8.10"
+        },
+        "org.slf4j:slf4j-api": {
+            "locked": "1.7.25",
+            "requested": "1.7.1"
+        },
+        "org.springframework:spring-core": {
+            "locked": "4.3.10.RELEASE",
+            "requested": "4.3.10.RELEASE"
+        }
+    },
+    "compileClasspath": {
+        "com.datastax.cassandra:cassandra-driver-core": {
+            "locked": "3.3.0",
+            "requested": "3.3.0"
+        },
+        "com.diffplug.durian:durian": {
+            "locked": "3.5.0-SNAPSHOT",
+            "requested": "3.+"
+        },
+        "com.google.guava:guava": {
+            "locked": "20.0",
+            "requested": "20.0"
+        },
+        "io.dropwizard.metrics:metrics-core": {
+            "locked": "3.2.2",
+            "requested": "3.2.2"
+        },
+        "io.zipkin.brave:brave": {
+            "locked": "4.0.6",
+            "requested": "4.0.6"
+        },
+        "io.zipkin.java:zipkin": {
+            "locked": "1.29.2",
+            "requested": "1.29.2"
+        },
+        "javax.validation:validation-api": {
+            "locked": "2.0.0.CR3",
+            "requested": "2.0.0.CR3"
+        },
+        "org.apache.commons:commons-lang3": {
+            "locked": "3.6",
+            "requested": "3.6"
+        },
+        "org.aspectj:aspectjrt": {
+            "locked": "1.8.10",
+            "requested": "1.8.10"
+        },
+        "org.aspectj:aspectjweaver": {
+            "locked": "1.8.10",
+            "requested": "1.8.10"
+        },
+        "org.slf4j:slf4j-api": {
+            "locked": "1.7.25",
+            "requested": "1.7.1"
+        },
+        "org.springframework:spring-core": {
+            "locked": "4.3.10.RELEASE",
+            "requested": "4.3.10.RELEASE"
+        }
+    },
+    "default": {
+        "com.datastax.cassandra:cassandra-driver-core": {
+            "locked": "3.3.0",
+            "requested": "3.3.0"
+        },
+        "com.diffplug.durian:durian": {
+            "locked": "3.5.0-SNAPSHOT",
+            "requested": "3.+"
+        },
+        "com.google.guava:guava": {
+            "locked": "20.0",
+            "requested": "20.0"
+        },
+        "io.dropwizard.metrics:metrics-core": {
+            "locked": "3.2.2",
+            "requested": "3.2.2"
+        },
+        "io.zipkin.brave:brave": {
+            "locked": "4.0.6",
+            "requested": "4.0.6"
+        },
+        "io.zipkin.java:zipkin": {
+            "locked": "1.29.2",
+            "requested": "1.29.2"
+        },
+        "javax.validation:validation-api": {
+            "locked": "2.0.0.CR3",
+            "requested": "2.0.0.CR3"
+        },
+        "org.apache.commons:commons-lang3": {
+            "locked": "3.6",
+            "requested": "3.6"
+        },
+        "org.aspectj:aspectjrt": {
+            "locked": "1.8.10",
+            "requested": "1.8.10"
+        },
+        "org.aspectj:aspectjweaver": {
+            "locked": "1.8.10",
+            "requested": "1.8.10"
+        },
+        "org.slf4j:jcl-over-slf4j": {
+            "locked": "1.7.1",
+            "requested": "1.7.1"
+        },
+        "org.slf4j:slf4j-api": {
+            "locked": "1.7.25",
+            "requested": "1.7.1"
+        },
+        "org.springframework:spring-core": {
+            "locked": "4.3.10.RELEASE",
+            "requested": "4.3.10.RELEASE"
+        }
+    },
+    "runtime": {
+        "com.datastax.cassandra:cassandra-driver-core": {
+            "locked": "3.3.0",
+            "requested": "3.3.0"
+        },
+        "com.diffplug.durian:durian": {
+            "locked": "3.5.0-SNAPSHOT",
+            "requested": "3.+"
+        },
+        "com.google.guava:guava": {
+            "locked": "20.0",
+            "requested": "20.0"
+        },
+        "io.dropwizard.metrics:metrics-core": {
+            "locked": "3.2.2",
+            "requested": "3.2.2"
+        },
+        "io.zipkin.brave:brave": {
+            "locked": "4.0.6",
+            "requested": "4.0.6"
+        },
+        "io.zipkin.java:zipkin": {
+            "locked": "1.29.2",
+            "requested": "1.29.2"
+        },
+        "javax.validation:validation-api": {
+            "locked": "2.0.0.CR3",
+            "requested": "2.0.0.CR3"
+        },
+        "org.apache.commons:commons-lang3": {
+            "locked": "3.6",
+            "requested": "3.6"
+        },
+        "org.aspectj:aspectjrt": {
+            "locked": "1.8.10",
+            "requested": "1.8.10"
+        },
+        "org.aspectj:aspectjweaver": {
+            "locked": "1.8.10",
+            "requested": "1.8.10"
+        },
+        "org.slf4j:jcl-over-slf4j": {
+            "locked": "1.7.1",
+            "requested": "1.7.1"
+        },
+        "org.slf4j:slf4j-api": {
+            "locked": "1.7.25",
+            "requested": "1.7.1"
+        },
+        "org.springframework:spring-core": {
+            "locked": "4.3.10.RELEASE",
+            "requested": "4.3.10.RELEASE"
+        }
+    },
+    "runtimeClasspath": {
+        "com.datastax.cassandra:cassandra-driver-core": {
+            "locked": "3.3.0",
+            "requested": "3.3.0"
+        },
+        "com.diffplug.durian:durian": {
+            "locked": "3.5.0-SNAPSHOT",
+            "requested": "3.+"
+        },
+        "com.google.guava:guava": {
+            "locked": "20.0",
+            "requested": "20.0"
+        },
+        "io.dropwizard.metrics:metrics-core": {
+            "locked": "3.2.2",
+            "requested": "3.2.2"
+        },
+        "io.zipkin.brave:brave": {
+            "locked": "4.0.6",
+            "requested": "4.0.6"
+        },
+        "io.zipkin.java:zipkin": {
+            "locked": "1.29.2",
+            "requested": "1.29.2"
+        },
+        "javax.validation:validation-api": {
+            "locked": "2.0.0.CR3",
+            "requested": "2.0.0.CR3"
+        },
+        "org.apache.commons:commons-lang3": {
+            "locked": "3.6",
+            "requested": "3.6"
+        },
+        "org.aspectj:aspectjrt": {
+            "locked": "1.8.10",
+            "requested": "1.8.10"
+        },
+        "org.aspectj:aspectjweaver": {
+            "locked": "1.8.10",
+            "requested": "1.8.10"
+        },
+        "org.slf4j:jcl-over-slf4j": {
+            "locked": "1.7.1",
+            "requested": "1.7.1"
+        },
+        "org.slf4j:slf4j-api": {
+            "locked": "1.7.25",
+            "requested": "1.7.1"
+        },
+        "org.springframework:spring-core": {
+            "locked": "4.3.10.RELEASE",
+            "requested": "4.3.10.RELEASE"
+        }
+    },
+    "testCompile": {
+        "com.anthemengineering.mojo:infer-maven-plugin": {
+            "locked": "0.1.0",
+            "requested": "0.1.0"
+        },
+        "com.datastax.cassandra:cassandra-driver-core": {
+            "locked": "3.3.0",
+            "requested": "3.3.0"
+        },
+        "com.diffplug.durian:durian": {
+            "locked": "3.5.0-SNAPSHOT",
+            "requested": "3.+"
+        },
+        "com.github.stephenc:jamm": {
+            "locked": "0.2.5",
+            "requested": "0.2.5"
+        },
+        "com.google.guava:guava": {
+            "locked": "21.0",
+            "requested": "20.0"
+        },
+        "commons-io:commons-io": {
+            "locked": "2.5",
+            "requested": "2.5"
+        },
+        "io.dropwizard.metrics:metrics-core": {
+            "locked": "3.2.2",
+            "requested": "3.2.2"
+        },
+        "io.zipkin.brave:brave": {
+            "locked": "4.0.6",
+            "requested": "4.0.6"
+        },
+        "io.zipkin.java:zipkin": {
+            "locked": "1.29.2",
+            "requested": "1.29.2"
+        },
+        "javax.validation:validation-api": {
+            "locked": "2.0.0.CR3",
+            "requested": "2.0.0.CR3"
+        },
+        "junit:junit": {
+            "locked": "4.12",
+            "requested": "4.12"
+        },
+        "org.apache.cassandra:cassandra-all": {
+            "locked": "3.11.0",
+            "requested": "3.11.0"
+        },
+        "org.apache.commons:commons-lang3": {
+            "locked": "3.6",
+            "requested": "3.6"
+        },
+        "org.aspectj:aspectjrt": {
+            "locked": "1.8.10",
+            "requested": "1.8.10"
+        },
+        "org.aspectj:aspectjweaver": {
+            "locked": "1.8.10",
+            "requested": "1.8.10"
+        },
+        "org.cassandraunit:cassandra-unit": {
+            "locked": "3.1.4.0-SNAPSHOT",
+            "requested": "3.1.4.0-SNAPSHOT"
+        },
+        "org.codehaus.jackson:jackson-core-asl": {
+            "locked": "1.9.13",
+            "requested": "1.9.13"
+        },
+        "org.codehaus.jackson:jackson-mapper-asl": {
+            "locked": "1.9.13",
+            "requested": "1.9.13"
+        },
+        "org.hamcrest:hamcrest-core": {
+            "locked": "1.3",
+            "requested": "1.3"
+        },
+        "org.hamcrest:hamcrest-library": {
+            "locked": "1.3",
+            "requested": "1.3"
+        },
+        "org.mockito:mockito-core": {
+            "locked": "2.8.47",
+            "requested": "2.8.47"
+        },
+        "org.slf4j:slf4j-api": {
+            "locked": "1.7.25",
+            "requested": "1.7.1"
+        },
+        "org.springframework:spring-core": {
+            "locked": "4.3.10.RELEASE",
+            "requested": "4.3.10.RELEASE"
+        }
+    },
+    "testCompileClasspath": {
+        "com.anthemengineering.mojo:infer-maven-plugin": {
+            "locked": "0.1.0",
+            "requested": "0.1.0"
+        },
+        "com.datastax.cassandra:cassandra-driver-core": {
+            "locked": "3.3.0",
+            "requested": "3.3.0"
+        },
+        "com.diffplug.durian:durian": {
+            "locked": "3.5.0-SNAPSHOT",
+            "requested": "3.+"
+        },
+        "com.github.stephenc:jamm": {
+            "locked": "0.2.5",
+            "requested": "0.2.5"
+        },
+        "com.google.guava:guava": {
+            "locked": "21.0",
+            "requested": "20.0"
+        },
+        "commons-io:commons-io": {
+            "locked": "2.5",
+            "requested": "2.5"
+        },
+        "io.dropwizard.metrics:metrics-core": {
+            "locked": "3.2.2",
+            "requested": "3.2.2"
+        },
+        "io.zipkin.brave:brave": {
+            "locked": "4.0.6",
+            "requested": "4.0.6"
+        },
+        "io.zipkin.java:zipkin": {
+            "locked": "1.29.2",
+            "requested": "1.29.2"
+        },
+        "javax.validation:validation-api": {
+            "locked": "2.0.0.CR3",
+            "requested": "2.0.0.CR3"
+        },
+        "junit:junit": {
+            "locked": "4.12",
+            "requested": "4.12"
+        },
+        "org.apache.cassandra:cassandra-all": {
+            "locked": "3.11.0",
+            "requested": "3.11.0"
+        },
+        "org.apache.commons:commons-lang3": {
+            "locked": "3.6",
+            "requested": "3.6"
+        },
+        "org.aspectj:aspectjrt": {
+            "locked": "1.8.10",
+            "requested": "1.8.10"
+        },
+        "org.aspectj:aspectjweaver": {
+            "locked": "1.8.10",
+            "requested": "1.8.10"
+        },
+        "org.cassandraunit:cassandra-unit": {
+            "locked": "3.1.4.0-SNAPSHOT",
+            "requested": "3.1.4.0-SNAPSHOT"
+        },
+        "org.codehaus.jackson:jackson-core-asl": {
+            "locked": "1.9.13",
+            "requested": "1.9.13"
+        },
+        "org.codehaus.jackson:jackson-mapper-asl": {
+            "locked": "1.9.13",
+            "requested": "1.9.13"
+        },
+        "org.hamcrest:hamcrest-core": {
+            "locked": "1.3",
+            "requested": "1.3"
+        },
+        "org.hamcrest:hamcrest-library": {
+            "locked": "1.3",
+            "requested": "1.3"
+        },
+        "org.mockito:mockito-core": {
+            "locked": "2.8.47",
+            "requested": "2.8.47"
+        },
+        "org.slf4j:slf4j-api": {
+            "locked": "1.7.25",
+            "requested": "1.7.1"
+        },
+        "org.springframework:spring-core": {
+            "locked": "4.3.10.RELEASE",
+            "requested": "4.3.10.RELEASE"
+        }
+    },
+    "testRuntime": {
+        "com.anthemengineering.mojo:infer-maven-plugin": {
+            "locked": "0.1.0",
+            "requested": "0.1.0"
+        },
+        "com.datastax.cassandra:cassandra-driver-core": {
+            "locked": "3.3.0",
+            "requested": "3.3.0"
+        },
+        "com.diffplug.durian:durian": {
+            "locked": "3.5.0-SNAPSHOT",
+            "requested": "3.+"
+        },
+        "com.github.stephenc:jamm": {
+            "locked": "0.2.5",
+            "requested": "0.2.5"
+        },
+        "com.google.guava:guava": {
+            "locked": "21.0",
+            "requested": "20.0"
+        },
+        "commons-io:commons-io": {
+            "locked": "2.5",
+            "requested": "2.5"
+        },
+        "io.dropwizard.metrics:metrics-core": {
+            "locked": "3.2.2",
+            "requested": "3.2.2"
+        },
+        "io.zipkin.brave:brave": {
+            "locked": "4.0.6",
+            "requested": "4.0.6"
+        },
+        "io.zipkin.java:zipkin": {
+            "locked": "1.29.2",
+            "requested": "1.29.2"
+        },
+        "javax.validation:validation-api": {
+            "locked": "2.0.0.CR3",
+            "requested": "2.0.0.CR3"
+        },
+        "junit:junit": {
+            "locked": "4.12",
+            "requested": "4.12"
+        },
+        "org.apache.cassandra:cassandra-all": {
+            "locked": "3.11.0",
+            "requested": "3.11.0"
+        },
+        "org.apache.commons:commons-lang3": {
+            "locked": "3.6",
+            "requested": "3.6"
+        },
+        "org.aspectj:aspectjrt": {
+            "locked": "1.8.10",
+            "requested": "1.8.10"
+        },
+        "org.aspectj:aspectjweaver": {
+            "locked": "1.8.10",
+            "requested": "1.8.10"
+        },
+        "org.cassandraunit:cassandra-unit": {
+            "locked": "3.1.4.0-SNAPSHOT",
+            "requested": "3.1.4.0-SNAPSHOT"
+        },
+        "org.codehaus.jackson:jackson-core-asl": {
+            "locked": "1.9.13",
+            "requested": "1.9.13"
+        },
+        "org.codehaus.jackson:jackson-mapper-asl": {
+            "locked": "1.9.13",
+            "requested": "1.9.13"
+        },
+        "org.hamcrest:hamcrest-core": {
+            "locked": "1.3",
+            "requested": "1.3"
+        },
+        "org.hamcrest:hamcrest-library": {
+            "locked": "1.3",
+            "requested": "1.3"
+        },
+        "org.mockito:mockito-core": {
+            "locked": "2.8.47",
+            "requested": "2.8.47"
+        },
+        "org.slf4j:jcl-over-slf4j": {
+            "locked": "1.7.7",
+            "requested": "1.7.1"
+        },
+        "org.slf4j:slf4j-api": {
+            "locked": "1.7.25",
+            "requested": "1.7.1"
+        },
+        "org.springframework:spring-core": {
+            "locked": "4.3.10.RELEASE",
+            "requested": "4.3.10.RELEASE"
+        }
+    },
+    "testRuntimeClasspath": {
+        "com.anthemengineering.mojo:infer-maven-plugin": {
+            "locked": "0.1.0",
+            "requested": "0.1.0"
+        },
+        "com.datastax.cassandra:cassandra-driver-core": {
+            "locked": "3.3.0",
+            "requested": "3.3.0"
+        },
+        "com.diffplug.durian:durian": {
+            "locked": "3.5.0-SNAPSHOT",
+            "requested": "3.+"
+        },
+        "com.github.stephenc:jamm": {
+            "locked": "0.2.5",
+            "requested": "0.2.5"
+        },
+        "com.google.guava:guava": {
+            "locked": "21.0",
+            "requested": "20.0"
+        },
+        "commons-io:commons-io": {
+            "locked": "2.5",
+            "requested": "2.5"
+        },
+        "io.dropwizard.metrics:metrics-core": {
+            "locked": "3.2.2",
+            "requested": "3.2.2"
+        },
+        "io.zipkin.brave:brave": {
+            "locked": "4.0.6",
+            "requested": "4.0.6"
+        },
+        "io.zipkin.java:zipkin": {
+            "locked": "1.29.2",
+            "requested": "1.29.2"
+        },
+        "javax.validation:validation-api": {
+            "locked": "2.0.0.CR3",
+            "requested": "2.0.0.CR3"
+        },
+        "junit:junit": {
+            "locked": "4.12",
+            "requested": "4.12"
+        },
+        "org.apache.cassandra:cassandra-all": {
+            "locked": "3.11.0",
+            "requested": "3.11.0"
+        },
+        "org.apache.commons:commons-lang3": {
+            "locked": "3.6",
+            "requested": "3.6"
+        },
+        "org.aspectj:aspectjrt": {
+            "locked": "1.8.10",
+            "requested": "1.8.10"
+        },
+        "org.aspectj:aspectjweaver": {
+            "locked": "1.8.10",
+            "requested": "1.8.10"
+        },
+        "org.cassandraunit:cassandra-unit": {
+            "locked": "3.1.4.0-SNAPSHOT",
+            "requested": "3.1.4.0-SNAPSHOT"
+        },
+        "org.codehaus.jackson:jackson-core-asl": {
+            "locked": "1.9.13",
+            "requested": "1.9.13"
+        },
+        "org.codehaus.jackson:jackson-mapper-asl": {
+            "locked": "1.9.13",
+            "requested": "1.9.13"
+        },
+        "org.hamcrest:hamcrest-core": {
+            "locked": "1.3",
+            "requested": "1.3"
+        },
+        "org.hamcrest:hamcrest-library": {
+            "locked": "1.3",
+            "requested": "1.3"
+        },
+        "org.mockito:mockito-core": {
+            "locked": "2.8.47",
+            "requested": "2.8.47"
+        },
+        "org.slf4j:jcl-over-slf4j": {
+            "locked": "1.7.7",
+            "requested": "1.7.1"
+        },
+        "org.slf4j:slf4j-api": {
+            "locked": "1.7.25",
+            "requested": "1.7.1"
+        },
+        "org.springframework:spring-core": {
+            "locked": "4.3.10.RELEASE",
+            "requested": "4.3.10.RELEASE"
+        }
+    }
+}
\ No newline at end of file
diff --git a/settings.gradle b/settings.gradle
new file mode 100644
index 0000000..bad81ae
--- /dev/null
+++ b/settings.gradle
@@ -0,0 +1 @@
+rootProject.name = 'helenus-core'