GitHub does not generate correctly on Windows #318
Description
When running the command with -g /-github, the URL generated points to GitHub and the local file system.
[c:\Users\zanem\Documents\GitHub\impressjs\lib\index.js:22-29](https://github.com/khrome83/impressjs/blob/2b11747318c5f74b1da21d405cdf8d6b418ac977/c:\Users\zanem\Documents\GitHub\impressjs\lib\index.js#L22-L29 "Source code on GitHub")
Expected to see -
[\lib\index.js:22-29](https://github.com/khrome83/impressjs/blob/2b11747318c5f74b1da21d405cdf8d6b418ac977/lib/index.js#L22-L29 "Source code on GitHub")
Notice that the local file system was injected each time.
Command was run on Windows 10, with Powershell (cmder) and node 5.2.