Ratio filtering added

This update improves performance, the output format, and includes the option to filter results by the ratio of group one to group two.

Linux and Windows 64 bit compiled binaries are provided, which have been packed with UPX to reduce their size.

feht: linux64
feht.exe Windows10

feht 1.0.1

Updated tests to use approximate Floating Point comparisons.
Static binary compressed with UPX.

Initial release of feht

Initial release of feht.
Includes a pre-compiled binary for execution on 64-bit Unix / Linux platforms.