Various cleanup and optimization
- Deleted shameful dead code here and here...
- Accelerated creation of GenBitmap*Button adding some caching for bitmap grayOut
- Replaced lists inside type use dictionary by sets
- Prevented useless type usage checking when unnecessary

from pyjs.jsonrpc import JSONRPCServiceBase

class JSONRPCService(JSONRPCServiceBase):

    def serve(self):
        return self.process(request.body.read())

    def __call__(self,func):
        self.methods[func.__name__]=func
        return func