Remove method B.dd(), remove file sS2WGo83Cm.lI2
Added the new method B.dd(), added a new file sS2WG083Cm.lI2
Added a new method B.dd(), added a new file sS2WG083Cm.lI2
Added the new method B.ae(), removed sS2WGo83Cm.lI2
Added new method B.ff()
Added the new method B.rr()
Merge branch 'beta' into alpha

Conflicts:
	B.java
Merge remote-tracking branch 'lab2/alpha'

Conflicts:
	B.java