- Small header/comment corrections
- Small header/comment corrections

- Added optional block form to #unlock

- Changed all instances of 'pos' to 'partOfSpeech' for clarity

- Fixed misnamed-database bug in #write

--HG--
extra : convert_revision : svn%3Abc0cae06-b0e3-0310-b5ad-c18dca479551/trunk%4019

dgvz/ruby-wordnet,ged/ruby-wordnet,dgvz/ruby-wordnet