started with structure of shuffle methods
implement test methods for shuffle
containsSameElementsAsMatrix is working
shuffle method implemented
javadoc and overrides
change to fisher-yates shuffle
implement shuffle for vectors
get rid of 1-dim transformation. move test methods to test classes.
included comments to fit conventions better.
shuffle: no backward iteration anymore
consistent function names
do comparison-check without conversion.
shuffle: improve dealing with factories. alter newlines
Merge pull request #50 from jakobmoellers/master

Address issue #23