Merge pull request #5 from SCIF/master

Basic i18n. Cosmetic form prettyfying
datafilter it work a bit, (but dataset need some fix to preserve filter),  made a sample in readme.
datafilter it work a bit, (but dataset need some fix to preserve filter),  made a sample in readme.
DataFilter persistence in query string using get as form method.
DataFilter fix reset
Fixed unable to pass 0 as field value to filter. Fixed default filtering operator