fixed color keyword in time series plot - issue #1890
BUG: in maybe_convert_numeric, if you've seen an 'inf', you've seen a float
TST: check for -inf dtype as well as +inf
RLS: Version 0.9.0 final
refactor plotting.py to only have _maybe_add_color defined once
remove comment
remove call to self._get_colors() from inside _maybe_add_color() - not efficient
BUG: fix bad ISO8601 datetime parsing #2018
BLD: added caching to setup.py - speeds up testing dramatically.

Cythoning results and compiled extension are cached.

This is disabled by default, to enable it uncomment the line
specifying the cache directory at the top of setup.py.

you need to occasionally empty the cache manually, to keep
it from from growing too much.
BLD: added caching to setup.sys - speeds up testing dramatically.

Cythoning results and compiled extension are cached.

This is disabled by default, to enable it uncomment the line
specifying the cache directory at the top of setup.py.

you need to occasionally empty the cache manually, to keep
it from from growing too much.
BUG: 0/0 and nan/0 should equal nan
ENH: make None/NaN different from INF/-INF (GH #1919)
ENH: special option for writing infs in csvs no longer needed
BUG: DateTimeConverter typo calls np._asarray_tuplesafe. TST: a few more test cases for DateTimeConverter.convert
fix sql keywords in columns name bug

the function `pandas.io.sql.write_frame` failed if keywords were
used as column names in a DataFrame. i have added hard brackets
to the column names as generated by the `get_sqlite_schema`
function and created a test case in `test_sql.py`
ENH: add method use_inf_as_null to core.common (GH #1919)
DOC: update docs about null/missing values
DOC: add caveat regarding the use of dicts as arg to read_csv()
DOC: grammer

[ci skip]
BUG: index.format should accept unicode index names
CLN: Move test_console_encode out of wrong test class