Fixed remaining Test failures

CodeModel/src/main/java/org/openzen/zenscript/codemodel/type/member/TypeMemberBuilder.java

 		equals(builtin, BOOL_EQUALS, BOOL);
 		notequals(builtin, BOOL_NOTEQUALS, BOOL);
 		
-		castExplicit(builtin, BOOL_TO_STRING, STRING);
+		castImplicit(builtin, BOOL_TO_STRING, STRING);
 		staticMethod(builtin, BOOL_PARSE, "parse", BOOL, STRING);
 		
 		processType(builtin);

JavaBytecodeCompiler/src/main/java/org/openzen/zenscript/javabytecode/compiler/CompilerUtils.java

 	private CompilerUtils() {}
 
 	public static boolean isPrimitive(TypeID id) {
-		return id instanceof BasicTypeID
-				|| (id.isOptional() && id.withoutOptional() == BasicTypeID.USIZE);
+        if(id instanceof BasicTypeID) {
+            return id != BasicTypeID.STRING;
+        }
+	    
+		return id.isOptional() && id.withoutOptional() == BasicTypeID.USIZE;
 	}
 
 	public static boolean isLarge(TypeID type) {

JavaBytecodeCompiler/src/main/java/org/openzen/zenscript/javabytecode/compiler/definitions/JavaExpansionMemberVisitor.java

 import org.objectweb.asm.Type;
 import org.openzen.zenscript.codemodel.FunctionParameter;
 import org.openzen.zenscript.codemodel.HighLevelDefinition;
+import org.openzen.zenscript.codemodel.annotations.*;
 import org.openzen.zenscript.codemodel.generic.TypeParameter;
 import org.openzen.zenscript.codemodel.member.*;
 import org.openzen.zenscript.codemodel.type.TypeID;
 	public Void visitMethod(MethodMember member) {
 		final boolean isStatic = member.isStatic();
 		final JavaMethod method = context.getJavaMethod(member);
-		if (!method.compile)
-			return null;
+        if(!method.compile) {
+            return null;
+        }
+        
+        if(member.body == null && member.hasTag(NativeTag.class)) {
+            //Is it an error that method.compile == true then?
+            return null;
+        }
 
 		final ArrayList<TypeParameter> typeParameters = new ArrayList<>();
 		expandedClass.extractTypeParameters(typeParameters);