Fixing shadow, and hikariCP versions

Author: PicoCreator

build.gradle

@@ -13,7 +13,7 @@ plugins {
 	// id "com.github.onslip.gradle-one-jar" version "1.0.5"
 
 	// Shadow plugin used to build the shade jar
-	id 'com.github.johnrengelman.plugin-shadow' version '2.0.4'
+	id 'com.github.johnrengelman.shadow' version '2.0.4'
 
 	// jacoco code coverage for test
 	id 'jacoco'
@@ -80,7 +80,7 @@ dependencies {
 	//-------------------------------------------------------------------------------------------------------------------
 
 	// Connection pooling
-	api "com.zaxxer:HikariCP:4.0.3" // connection pooling
+	api "com.zaxxer:HikariCP:3.4.5" // connection pooling
 
 	// OJDBC driver connection
 	// providedCompile group: 'com.oracle', name: 'ojdbc8', version: '18.5.0.0.0'