Merge pull request #1 from alexfernandez/master

Show explanation for OPTIONS in online help.
TODO list updated
TODO updated
Update README.md
Update TODO.txt
Update TODO.txt
Update TODO.txt
Bug fix: Negative numbers as arguments
Update README.md
Update README.md
Update TODO.txt
Update TODO.txt
Update README.md
Support for large options with "=" sign, like "--something=myvalue"
Typo
Version incremented
Prompt questions feature added
Update README.md
Prompt questions without options now are supported
JSHint