Fixing how commit logs are parsed for commits including newlinesi

closes #125
Add --tags option to lib#fetch exposed through base#fetch and remote#fetch
Send full force flag to git push
Merge pull request #127 from bsedat/git-push-force

Send full force flag to git push
Merge pull request #126 from cwalsh/feature/fetch_tags

Add --tags option to lib#fetch exposed through base#fetch and remote#fetch