Initial work on INTO
Merge branch 'master' into into

Conflicts:
	bayesdb/engine.py
	bayesdb/parser.py
Added SUMMARIZE to bql.rst
Added SUMMARIZE and pandas.DataFrame output examples to gettingstarted.rst
Format pandas.Series.describe
remove hist, add plot/summarize
Merge branch 'pyparsing' of https://github.com/mit-probabilistic-computing-project/BayesDB into pyparsing
bql_statement top level
bql_statement top level
bug fixes in tests and grammar
added given clause
fixed bugs to make grammar compatible with existing test, also docs
Merge remote-tracking branch 'origin' into update-docs
Added documentation for metadata statements to bql.rst
Updated docs about metadata to match actual implementation
resetting parser
outlined parse_ functions
execute file - update schema
need to swap computers, everything is very broken, do not merge into master
merged master into pyparsing