Corrects code showing the non/capturing difference, adds info on CONTRIBUTING.md.
Merge branch 'develop' of github.com:3ofcoins/minigit into develop
Creates CONTRIBUTING.md, fills with basic info.
Minor fix in CONTRIBUTING.md.
Changes output of git config deleting new lines.
Merge branch 'develop' into new-feature

Conflicts:
	README.md
Corrects errors from previous commit: class instance method, key & value in method names.
Makes hash access work.
Resolve conflicts.