Adding alphabetical sort, case insensitive of the tags array.
Adding multi-columns support to picotags.
Adding explanations on how to use multicolumns output
Updating alphabetical sort of tags : extending rather than deleting existing features
Update of the multicolumn list of tags
Exclude pages with category template from the tag list
Merge pull request #2 from bricebou/master

Alphabetical sort & multicolumns