Parse tr///, and die with NYI error

Squashed commit of the following:

commit fa30fbf9b237147d00605d1e6ee9e95f4decbf86
Author: Mouq <alexmoquin@gmail.com>
Date:   Tue Aug 20 03:14:47 2013 -0400

    Fix tweak_cc

commit 7064f559fff2c5225224117f5fa0de29397e15cc
Author: Mouq <alexmoquin@gmail.com>
Date:   Tue Aug 20 01:48:05 2013 -0400

    Make tr/// use cc before dying

commit f8461096f45a07aab1025d788eaa30cfbdd926cc
Author: Mouq <alexmoquin@gmail.com>
Date:   Mon Aug 19 23:58:06 2013 -0400

    Added rule cc

commit b6bf61e7099d82235aa1d19004c9f40e26779e03
Merge: c28f045 c805c51
Author: Mouq <alexmoquin@gmail.com>
Date:   Mon Aug 19 22:26:25 2013 -0400

    Merge https://github.com/Mouq/rakudo into trans

commit c28f045126c4327773a29deef160fe941cb0de8c
Author: Mouq <alexmoquin@gmail.com>
Date:   Mon Aug 19 22:21:33 2013 -0400

    Parse-ish tr/// and give a NYI error

commit c805c512e5158e1f25fae44b97fb15fa3b9dfaa5
Author: Mouq <alexmoquin@gmail.com>
Date:   Mon Aug 19 22:09:40 2013 -0400

    Parse-ish tr/// and give a NYI error
update ChangeLog