bugfix
If we're using new database fields, we need them to be created... (fixing 2ba472c0a31916246d0d5db87ae6d1810ba3c22e )
Fixed SQL query (should be two), even if that SELECT is useless as it is at this moment...,
bugfixing
bugfix
bugfix: use default zone ttl when none is submited
same fixes for the rest of the update_*_record functions
non-critical bugfixes
Merge pull request #6 from marado/master

several bugfixes