SqlLang (sql like methods for Language library)

[eluser]xwero[/eluser]
I've added another function, insert, to complete the sql statements. The language library only allows adding lines from a file but what if you want to store the language lines in a database or files with another structure.

To delete these lines i added an in method to select the lines that need to be deleted and changed the delete method to work with 'random' lines.

I guess that's all the functionality the language library needs. Now up to the sqlisation of the config class.