thesaurus_query.vim

Change_log since v0.1.0:

• fixed on-demand query(:Thesaurus [your_word]);
• cleaned global scope variables;
• add feature: lowering query priority of mal-functional backend;
• recognize case(all upper case | first letter upper case | all lower case) of
  phrase to be replaced, and adjust candidate list accordingly;
• refined synonym replacing interface: smart line wrap based on current window
  width.