Merge pull request #19 from jshou/master

Update debugger version
Safer monkey-patching of Pry.start/.teardown

Allows other plugins to do the same without triggering a SystemStackError.
Merge pull request #20 from benizi/safer-monkey-patch

Safer monkey-patching of Pry.start/.teardown
allow break-ing on REPL-defined methods
Merge pull request #21 from banister/master

allow breaking on REPL-defined mehods
Version 0.2.1
Upgrade the dependency to support Ruby 2.0.0-p0.
Merge pull request #1 from JosephKu/master

Bring in updates particularly to allow more up to date debugger.