Move 9.0-style module installation to class.
Write the (much simpler) 9.1 module install method.
Moar decoupling so the rake task can be dumber.
Sanity check the 9.1 method's control file exists before trying it.
Add the new file to the gemspec.
Wow. Use the right method name, man.
Merge branch 'master' into install_trigram_postgres_91

Conflicts:
	texticle.gemspec
Merge branch 'master' into install_trigram_postgres_91

Conflicts:
	texticle.gemspec
Punctuation.
Update change log.
Merge branch 'master' into install_trigram_postgres_91
Merge branch 'install_trigram_postgres_91'