Release version 1.4.6-rc.2

Fix version identifiers

Update diff2html and add style configurations

Update diff2html and add style configurations

Fix diff matching for big chunks

Update diff2html and wrap diff params

Update to diff2html 1.3.2

Update versions and test with node 5

Fix exit with help

Merge pull request rtfpessoa#14 from rtfpessoa/windows-compatibility

Fix Windows compatibility