fixed 'object has no attribute by_source/by_cabal' issues
fixed 'object has no attribute by_source/by_cabal' issues

bscottm/SublimeHaskell,kgadek/SublimeHaskell,hcarvalhoalves/SublimeHaskell,SublimeHaskell/SublimeHaskell,Bodigrim/SublimeHaskell,kgadek/SublimeHaskell,hcarvalhoalves/SublimeHaskell,bscottm/SublimeHaskell,tomv564/SublimeHaskell,tomv564/SublimeHaskell,Bodigrim/SublimeHaskell,SublimeHaskell/SublimeHaskell