Merge pull request #12 from whitewhim2718/dev

Merged SocketWrapper fix
Continued work on CTC-100, fixed TCP/IP bug.
Docstring example correction
Doc string updates
Changed inheritance to Multimeter ABC from Instrument
Merge branch 'dev' of github.com:Galvant/InstrumentKit into dev
Added error checking to SRS CTC-100.
Merge branch 'dev' of github.com:Galvant/InstrumentKit into dev
Merge remote-tracking branch 'upstream/dev' into dev