Merge pull request #5 from rderoldan1/master

OS validation
Changing Version to 0.0.6.beta1
Fixed Typo Duplicate uw_cputop to uw_memtop
Added Examples for uw_cputop and uw_memtop methods
Added documentation for new methods, as well as more OS Versions Tested on
Adding changelog for 0.0.6.beta1
Alpha version of Mac OS
add readme to spec
add class
using self.methods
fixed name of proccesses in mac
self.methods is linux version
examples updated