fix a Call to a member function xpath() on a non-object
Clean fields values
Merge pull request #8 from Domisys/2.0

Enhance coding style & structure
Improve spell check functions
Merge pull request #9 from AlexandreToyer/2.0

Improve spell check functions
Spellcheck: add function to get available fieldnames
Merge pull request #10 from AlexandreToyer/2.0

Spellcheck: add function to get available fieldnames
Merge pull request #14 from Domisys/app-fix

FIX fatal error while reading results