Use non-breaking hyphens in README.md

The command options wrap in an ugly way without this.
Clear up some logic
Tighten up an if statement
Merge pull request #4 from jimstudt/exclusions

Exclusions and inclusions
Add basic command documentation for godoc
Expand README.md
Reformat license to be more easily recognized as BSD 2 clause
Add GoDoc link. Should work once committed to master.
Spacing tweak
More open file limit work arounds
whitespace merge problem