Merge pull request #25 from ChrisBeaumont/master

Replace AFL Count
Early detection of bad SciDBShimInterface urls

Closes #20
linting, PEP8
Rename get_interface -> connect, to mimic other array interfaces
Histogram function
Document histogram
Merge pull request #27 from ChrisBeaumont/cleanup

Cosmetic fixes
Fixes for SciDB14 Compatibility
Merge pull request #31 from ChrisBeaumont/v14

SciDB v14 Compatibility
Reap non-persistent arrays atexit, and after context managers.

Remove attempt at tying __del__ to database deletion, since there
appears to be no reliable way to attach events to garbage collection.

Fixes #16
Raise exception when reaping persistent arrays
bugfix
Merge pull request #23 from ChrisBeaumont/gc

Reap non-persistent arrays atexit, and after context managers.
Refactor tests to use pytest.

Fixes to make sure suite runs on python 2.6 without pandas or scipy
Fix merge conflict
Merge pull request #37 from ChrisBeaumont/test_cleanup

Test refactor
Restore persistent kwarg for sdb.random methods

Addresses #38
Fix tutorial bugs

Closes #38
Merge pull request #39 from ChrisBeaumont/regressions

Tutorial regression fixes
Update author/license/website references

Addresses #33