fixed typo
link to NET::scp docs
Added test on Color#bold.
Fixed issue #180 (modes treatened as colors).
Optimized code:
 - reduced multiple definitions of the same method
 - Added line and file into eval, so backtrace will be proper.
Merge pull request #181 from vimutter/problem-180-bold-color

Added test on Color#bold.
made formatters specify which user is running a command if ones is known
made Runner exception messages specify which user is running a command if ones is known
Merge pull request #182 from betesh/master

made formatters specify which user is running a command if ones is known
Merge pull request #157 from ncreuschling/patch-1

fixed typo
Merge pull request #160 from austinpray/patch-1

link to NET::scp docs