Cleanup of readme to have running as a script or library.
Fixed spelling of l2_cache_size.
Fixed potential issue with using hard coded string type for string join in python 2.x and 3.x.
Typo.
Added raw cpu hz field.
Made Raw Hz field a tuple so it does not have the rounding on floating point numbers.
Fixed issue where some fields that should have been integers were strings.
Removed dead code.