Refactored CMakeLists.txt

* new pip_module() macro
 * fixed exports
 * automatic gather all exports and pass them to Doxygen and PICodeParser

lib/main/code/picodeparser.cpp

@@ -186,6 +186,9 @@ void PICodeParser::clear() {
 	evaluator.clearCustomVariables();
 	cur_def_vis = Global;
 	anon_num = 0;
+	PIStringList defs = PIStringAscii(PICODE_DEFINES).split(",");
+	piForeachC (PIString & d, defs)
+		defines << Define(d, "");
 	defines << Define(PIStringAscii("PICODE"), "") << custom_defines;
 }