bump dependency versions

build.gradle

@@ -1,6 +1,6 @@
 buildscript {
-    ext.kotlin_version = '1.2.41'
-    ext.dokka_version = '0.9.14'
+    ext.kotlin_version = '1.3.61'
+    ext.dokka_version = '0.10.0'
 
     repositories {
         mavenCentral()
@@ -12,12 +12,12 @@ buildscript {
     dependencies {
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
         classpath "org.jetbrains.dokka:dokka-gradle-plugin:$dokka_version"
-        classpath 'info.solidsoft.gradle.pitest:gradle-pitest-plugin:1.2.4'
+        classpath 'info.solidsoft.gradle.pitest:gradle-pitest-plugin:1.4.6'
     }
 }
 
 plugins {
-    id 'com.github.ben-manes.versions' version '0.17.0'
+    id 'com.github.ben-manes.versions' version '0.27.0'
 }
 
 group 'com.github.sanity'

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Sun Jan 21 13:33:08 CST 2018
+#Sat Dec 28 11:44:14 CST 2019
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.0.1-all.zip
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.3.1-all.zip
+zipStoreBase=GRADLE_USER_HOME

gradlew

@@ -33,11 +33,11 @@ DEFAULT_JVM_OPTS=""
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD="maximum"
 
-warn ( ) {
+warn () {
     echo "$*"
 }
 
-die ( ) {
+die () {
     echo
     echo "$*"
     echo
@@ -155,13 +155,14 @@ if $cygwin ; then
 fi
 
 # Escape application args
-for s in "${@}" ; do
-    s=\"$s\"
-    APP_ARGS=$APP_ARGS" "$s
-done
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=$(save "$@")
 
 # Collect all arguments for the java command, following the shell quoting and substitution rules
-eval set -- "$DEFAULT_JVM_OPTS" "$JAVA_OPTS" "$GRADLE_OPTS" "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
 
 # by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
 if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then