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Various non-critical fixes; see commit history.

Added support for large (over 32-bit, but not larger than 53-bit) integers for aesjs.Counter.

The following changes have been made:

• Using Uint8Array instead of Array
• No reference to Buffer (so Broswerify won't pull in SlowBuffer)
• Moved utility functions to more clearly indicate their purpose

This is a major version change, as some functionality is not backward compatible (but all functionality has an equivalent)

Only major change in this release is that ECB and CBC modes of operation can be given any amount of data (as long as its length is a multiple of the block size, 16 bytes) and will encrypt/decrypt the entire chunk.

Fixed some inconsistencies (and bugs) in the API with respect to exceptions being thrown.

• Added a more versatile slowCreateBuffer for browsers which do not support .slice() on their typed arrays, as well as exposed it via aes.util._createSlowBuffer for access by the test cases.

Version 0.2.2