refactored and reworked functions in scarpet

src/main/java/carpet/script/value/FunctionSignatureValue.java

@@ -1,7 +1,5 @@
 package carpet.script.value;
 
-import carpet.script.exception.ExpressionException;
-
 import java.util.List;
 
 public class FunctionSignatureValue extends FrameworkValue
@@ -10,7 +8,6 @@ public class FunctionSignatureValue extends FrameworkValue
     private List<String> arguments;
     private List<String> globals;
 
-
     public FunctionSignatureValue(String name, List<String> args, List<String> globals)
     {
         this.identifier = name;