add Command
add basic index
should have been NewIndex
fix bugs to make it compile
make command actually functional
warning squashing
add URL, update regex

regex now allows for changing the existing regex

URL now allows lua to exercise CURL functionality in a simple manner
URL:  add full cookie functionality

The cookie functionality by default enables the cookie engine to
maintain cookie state set and retrieved via HTTP headers.
You may also explicitly get cookies, set cookies, and clear the
session's cookies.
URL: rename GetCookies to AddCookies to better reflect functionality
add libs, add FS, add Driver::SetupLibs, cleanup URL

FS currently has Stat and ListDir functionality.  File functionality is
provided via the io.open function.
Driver::SetupLibs sets up the globals which were previously all called
explicitly.
URL had some definitions that weren't being used.