make hollywooMethod macro usable in hollywoo implementation dsls

src/hollywoo/Movie.kiss

@@ -1022,6 +1022,7 @@
         (,mode ,@body)
         (otherwise (cc))))
 
+(defMacroVar avoidDuplicateDefinition true)
 // Some real magic happens here. This macro defines a method, AND a reader macro
 // for calling it with skipping and cc passed automatically if cc is an argument.
 // GOTCHA: DO NOT use (method) directly in this file outside of the above #unless subclass block!!
@@ -1053,7 +1054,7 @@
                                                     (b.callSymbol "b.symbol" [(b.str "null")])
                                                 ])))))]
                     methodCall))
-            (#unless subclass @:keep (method ,nameAndType ,argList ,@body))
+            (#when (or !subclass !avoidDuplicateDefinition) @:keep (method ,nameAndType ,argList ,@body))
         }))
 
 (hollywooMethod :Void restorePlayMode [:Continuation cc]
@@ -1612,4 +1613,7 @@
         creditsTSV
         (makeCC
             (stopSong skipping cc))
-        (director.getSongLength (dictGet songs songKey))))
+        (director.getSongLength (dictGet songs songKey))))
+
+// This redefinition allows you to call (hollywooMethod) in your hollywoo implementation dsls and movie scripts:
+(defMacroVar avoidDuplicateDefinition false)