Fixed documentation URL
Updated README so that bullets are correctly shown in pub
Removed unused imports
Change in doc
Implementation of OFB mode of operation
Implementation of CFB mode of operation
Implementation of ECB
Corrected typo
Removed unused variable from tests
Let NullBlockCipher use arbitrary block sizes
GCTR implementation and refactor of modes of operation factories, which were wrong
Merge branch 'fixes' into development
Point to next version: 0.6.0
Include impl.dart in tests
Corrected docs
Implementation of MD2

fixes #45
Changed return of rotate methods and added toString and toRadixString methods to UintX
Added MD2 test to all_tests

fixes #45
Implementation of MD4

fixes #45
Refactoring of MD4 to clean code