TST: Test yule walker with ints
BUG: Ensure float array. Closes #1869
STY: Pep-8 cleanup
ENH: Add repr_html to simple table. Closes #1555.
BUG: Fix import refactor victim.
Merge pull request #1975 from jseabold/yule-walker-casting

BUG: Yule walker cast to float
Merge pull request #1977 from jseabold/fix-import

BUG: Fix import refactor victim.
Merge pull request #1976 from jseabold/repr-html-simpletable

ENH: Add _repr_html_ to SimpleTable
TST: Test for non-binary input.
ENH: Check binary input for correctness. Closes #1053.
BUG: Typo
Merge pull request #1979 from jseabold/fix-typo

BUG: Typo
Merge pull request #1978 from jseabold/binary-check

ENH: Check input to binary models
REF: graphics violin_plot change face color, see #1226
DOC: add ipython notebook for boxplots