eliminate regex-based escaping in ->put()

	modified:   lib/POE/Filter/IRCv3.pm
Tag parser optimizations

Drop regex substitutions for escapes, use a straight string parser.
Still needs work (to drop the split calls).

	modified:   lib/POE/Filter/IRCv3.pm
bench/profile.pl; tag profile runs

[skip ci]

	modified:   bench/profile.pl
Merge branch 'tags-no-regex'

* tags-no-regex:
  bench/profile.pl; tag profile runs
  Tag parser optimizations
  eliminate regex-based escaping in ->put()