Merge pull request #4 from salarkhan/uninstall

Uninstall
Uses git function to find .git directory.
This should be less error prone than our current code
Running pear outside of a git repo handled
pear outside of a repo tells the user it only works inside a repo
we also only run the code that sets the git dir inside a git repo
this hides the error it would throw ourside of a git dir
Merge pull request #11 from salarkhan/catch-uses-outside-git

Running pear outside of a git repo handled
Remove PEAR_WORKING_DIR from path to create hook & txt files
Remove double quotes around path after the variable
Merge pull request #10 from salarkhan/git-dir-location

Clutch
Merge branch 'master' into uninstall
Also adds one comment to git dir check
Conflicts:
	pear