Merge pull request #3 from snoweye/master

How about this?
01.02.13 nightly
01.03.13 new diagonal behavior
01.04.13 nightly
01.23.13 nightly
01.28.13 updated crossprod() and tcrossprod()
01.28.13 nightly
01.29.13 everything is broken ;__;
01.29.13 everything is broken ;__;
01.30.13 nightly
01.31.13 nightly
02.01.13 nightly
02.05.13 nightly
02.06.13 nightly
Merge pull request #1 from wrathematics/master

update