bump URI::VERSION to 0.10.0

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48243 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* lib/uri/rfc3986_parser.rb (URI::RFC3986_Parser::RFC3986_URI):
  allow '[' and ']' for URI input (and escape). [Bug #10402]

* lib/uri/generic.rb (URI#query=): escape '[', '\', and ']'.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48244 b2dd03c8-39d4-4d8f-98ff-823fe69b080e