Added projects PerseusPluginLibTest (with the first unit test) and PerseusLib (The path is valid for my machine. You may need to make modifications.)
Added ProcessTextColumnsTest as first unit test.
added project file for unit tests
Merge branch 'master' of https://github.com/JurgenCox/perseus-plugins
added a feature to the activity Process text column that allows you to find a pattern in all the parts of a string separated by semicolons