Added initial support for cyclic (vonmises) data type
Merge branch 'master' of https://github.com/mit-probabilistic-computing-project/BayesDB into cyclic_support
updated tests for cyclic types
pull from master
Added cyclic testing and supporting files
Fix explicit column list creation.
Merge branch 'master' of https://github.com/mit-probabilistic-computing-project/BayesDB
Merge branch 'master' of https://github.com/mit-probabilistic-computing-project/BayesDB into cyclic_support
changed client kwargs on cyclic test client
Merge pull request #26 from mit-probabilistic-computing-project/cyclic_support

Cyclic support
Fix the ability to identify a row by a unique column value for key columns
Merge branch 'master' of https://github.com/mit-probabilistic-computing-project/BayesDB
Fix bug introduced by similarity fix
Warn if creating a multinomial column with greater than a set number of distinct values (currently set at 7 by default by Pat's suggestion)
Fix test failure due to missing M_c_full in testparser.py: test_parse_functions. Needed to add test_M_c_full to file.
Merge branch 'dev' into cardinality
Adding WARNING prepended to all warning reports.
Added test to confirm that SIMILARITY TO works with row index as well as column = value pairs.