Support base-4.5 and tested with GHC-7.4
Bumped version from 0.7.0.1 to 0.7.0.2 because of internal changes.
Removed 'The End' lines
Mark all modules as Safe
Bumped version from 0.7.0.2 to 0.7.0.3 because of these internal changes.
Support stm-2.3
Bumped version from 0.7.0.3 to 0.7.0.4 because of this internal change.
Support newer dependencies
Try to solve issue #3. test_lock_7 failed