boltdb/bolt — pull request #209 by benbjohnson (2014-06-22 15:35:41+00:00)
Title: Change Bucket.NextSequence() to return uint64

This commit changes NextSequence() to return a uint64 instead of an int. This also removes the ErrSequenceOverflow error condition since overflowing a uint64 is unlikely.

Fixes #39.

/cc @tv42 @extemporalgenome