Adjust the findPrimaryKey methods to search for the primary key and only as fall-back the unique key that starts with PK_. This resolves #79.
Added a value for the primary key. This implements #71 and is a prerequisite for #42
Updated the version number
Mark strings to not externalize
Updated ther version number to 2.1.0
Improve API by hiding unnessesairy information
Merge from PHP integration branch