Finalise Version 0.1
New classes
Finalise 0.11
Starting Version 0.12
Starting Version 0.12
Merge branch 'Version_0.11' into Version_0.12
Merge branch 'master' into Version_0.12

Conflicts:
	src/git/branching/Branch.java
	src/git/branching/Leaf.java
	src/git/branching/Tree.java
Main
Merge branch 'master' into Version_0.12