Merge branch 'release/1.0.1' into develop
use open3 in an attempt to play nice with jruby #15
use File#readline(limit) instead of File#read(limit), since it reliably returns a string. Likely fixes #12.
factor git command running out into its own method so that failure logic can be shared across all invocations.
version bump to 1.0.2
Merge branch 'release/1.0.2'