Merge pull request #3 from telegraphic/master

PEP8 compliance and a faster adev() method
better printouts, and add x/y labels to graph
improve on documentation, especially for the tests.
-
minor edits
Merge branch 'master' of git://github.com/telegraphic/allantools into telegraphic-master

Conflicts:
	allantools/allantools.py
	leda_avar.py
	tests/testutils.py
fix testutils.py
add a few comments
add a benchmarking-script
improve benchmark
improve benchmark script
bump version for pypi upload
update version history
we don't need leda_avar.py, since allantools.py is now using numpy
comment on running-times
Merge remote-tracking branch 'aewallin/master'

Signed-off-by: Danny Price <dan@thetelegraphic.com>

Conflicts:
	allantools/allantools.py
Minor post-merge tidy