Merge pull request #37 from michael911009/master

Cygwin path support.
Write to DEBUG_FILE using a normal python file handle.
Also re-read the DEBUG and DEBUG_FILE settings on each launch.
For #40. The plugin now loads, but probably doesn't run yet
For #40. It appears to mostly be working now
Merge branch 'master' of git://github.com/michael911009/SublimeGDB into michael911009-master