Updated the Plugin-API version to 0.1.4.1

Fixed entryPoint in plugin.json
added the getting of tools
added tools:
- TestTool: sends back "This is a test tool"
- TestToolAdvance: sends a "pong" back with the content of the "ping"

build.gradle

@@ -8,6 +8,7 @@ version = '1.0-SNAPSHOT'
 
 repositories {
     mavenCentral()
+    mavenLocal()
     maven {
         url = "https://git.server.4zellen.se/api/packages/neurodock/maven"
         name = "gitea"
@@ -19,7 +20,7 @@ dependencies {
     testImplementation 'org.junit.jupiter:junit-jupiter'
     testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
 
-    compileOnly("me.neurodock:Plugin-API:0.1.2")
+    compileOnly("me.neurodock:Plugin-API:0.1.4.1")
 }
 
 test {