Removed some stray periods, and fix up a number of visible markup consistency errors (mostly omitted "()" at the end of function and method names).
Removed some stray periods, and fix up a number of visible markup
consistency errors (mostly omitted "()" at the end of function and
method names).

Reported by Milan Zamazal <pdm@zamazal.org>.

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator