Separate PCO cameras
Add Timestamp class for PCO cameras
Add PCO timestamp test
Make Travis happy
Simplify BCD decoding
Cleanup exceptions
Merge pull request #279 from ufo-kit/separate-pco-cameras

Separate PCO cameras
Add regression test for #280
Actually test all regression tests ...
Fix HardLimitError raising by dummy motors

fixes #280
Fix exception type in regression test 209
Remove no longer needed regression test 212

fixes #212 again
Rename write_sequence to write in walkers
Walker can write also from lists

fixes #277
Test Walker in a separate module
Merge pull request #281 from ufo-kit/walkers-take-generators

Walkers take generators
Fix #198: add gevent inputhook for IPython
Check if IPython >= 2.0 for gevent integration
Merge pull request #283 from ufo-kit/fix-198-gevent-integration

Fix #198: add gevent inputhook for IPython
Fix FileCamera start_recording state