Refactored axis tick code into utility function
Debugging new implementation
more debugging
cleanup
Added Categorical data to the histogram_client
Refactored axis tick code into utility function
Added Categorical data to the histogram_client
Merge branch 'factor-update-ticks' of github.com:JudoWill/glue into factor-update-ticks
Fixed high-cardinality issues with categorical histograms and failing test.
Number of bins should be 'over-ridable' by the UI widget.
Fixed binning logic for categorical histogram when combined with UI
tweak bin alignment
PEP8
Adjusted test-limits on categorical histograms
Merge pull request #240 from JudoWill/factor-update-ticks

Apply categorical ticking to histograms
Restore Python 3 compatibility
Added __future__ imports to all files and fixed a number of print calls
Fixed tests in glue.core for Python 2 (with __future__ imports)
Fix failing qglue tests
Added six.py to glue.external