Merge pull request #1 from gatuno1/plugin-fixes-jul2014

Plugin fixes jul2014
Merge branch 'master' of github.com:davispuh/gear-emu
Merge branch 'master' of github.com:davispuh/gear-emu
Abstract Memory from Propeller. Rename Read/Write memory methods to DirectRead/DirectWrite
Extract data unpacking from InstructionDisassembler to own class