Bump text
Add '_' to url unreserved chars list

According to rfc2396 underscore is not reserved

http://tools.ietf.org/html/rfc2396.html#section-2.3

Conflicts:
	src/Snap/Internal/Parsing.hs
Merge branch '0.9-stable'

Conflicts:
	src/Snap/Internal/Parsing.hs