Add aliases for common case for composed character class functions

Fixes #16
Update vignette with composed character class functions
Add note to startup message about rex_mode

Also create a register_object function
Remove extra blank line from vignette
Improve the README
Add NEWS file, make Jim the maintainer, README tweaks
Fix vignette encoding and all notes
Switch to MIT license
Rename any_char to something
Tweak url_parsing to work with non UTF-8 encodings
Remove package name from description, hopefully avoiding CRAN demons.
Re-oxygenize to pull in something change
Add cran-comments.md to .Rbuildignore
Fix #18

What it says on the tin; fix issue #18 by altering VignetteIndexEntry to an informative non-default value.
Merge pull request #19 from Ironholds/patch-1

Fix #18
Add github and issues URL to description
Use todays date as the date
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I'd expand "REF" to whatever it means, too (I do log parsing day-to-day, and I'm unfamiliar with it) but, well, I'm unfamiliar with it ;p
Merge pull request #20 from Ironholds/patch-2

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Add missing reference.