fix an error in the usage of recursive-include in MANIFEST.in
comment out some stuff so that junk is no longer printed when the testing command line is run after installing algopy
add 'clip'
use functools to avoid bookkeeping of extra args
add botched_sign as a special function
add and test algopy analogs of the numpy functions: square, negative, and absolute
add numpy function 'reciprocal' and tests
add reciprocal pullback test
the truncated taylor squaring function now uses an algorithm that is theoretically twice as efficient
test and fix some aliasing issues
add 'minimum' and 'maximum' numpy-like functions for forward mode without pullback and without clever broadcasting, but including some tests
optionally use cython-accelerated algorithms
Merge pull request #30 from argriffing/master

small changes related to installation and testing