all functions but lgamma
removed pytest import
removed non rpython stuff
cleaned up
removed todos, used tuple unpacking
improved tan
untagged specs
Implementing the "-p" flag
Array.[] passes the spec
Merge pull request #509 from modcloth/mbh/implement-p-flag

Implementing the "-p" flag
Merge pull request #504 from cptobvious/math

Nearly complete Math module
Merge pull request #513 from jstepien/array-const

Array.[] passes the spec