Fix spec_command.feature
fix find-failing not callable via cli
Bump version after merging find_failing fix from Michael Grosser.
Send raw config file with each session
Fix Gemfile
Version bump to 1.21.0
Don't explode when rerun is invoked on a branch with no previous sessions.
Version bump to 1.21.1
Native Mercurial (hg) support

- drop use of hg-git mirror
- set scm type on suite create
- Display repo scm as provided