add raw_(.*?)parameters
valid parameter handling in Encoding::MobileJP plugin and now depend on Plack 0.9910 or after
add tests for raw_param
cache req->uri and req->base for performance
recommends URL::Encode::XS
add Request->decode_parameter method and Encoding plugins use this
depend on Plack::Request::WithEncoding for code base compaction
remove URL::Encode dependency
Merge branch 'feature/renew-request'

Conflicts:
	cpanfile