ENH: return type(self) in _constructor
ENH: use latex t(i) label
DOC: no need for a raw string here
ENH/DOC: add lags param docstring and directly import pandas structures
DOC/ENH: fix up docs and add ms assertion
ENH: xcorr tests much faster now. use small arrays
CLN: refactor _unbiased code
CLN/BUG/ENH: remove unused code
ENH: add types testing
TST: mark slow
TST: make arrays smaller for faster testing
TST: mark slow and test properties in a single method
ENH: remove extra parens from function name
TST/ENH: clean up testing methods
CLN: remove num2name so slow O.o
CLN: use ndarray for indices pd auto converts to int64index
CLN: add slots and make fmt dtype
DOC: update doc
FIX: remove side (too arbitrary)
Merge branch 'hotfix/remove-side-index' into develop