added error if self.curry points to a method that does not exist
added error if self.curry points to a method that does not exist

tadzik/Bailador,bin-doph/Bailador,ufobat/Bailador,Bailador/Bailador,tadzik/Bailador,ufobat/Bailador,bin-doph/Bailador,bin-doph/Bailador,Bailador/Bailador