update on RefPersistanceCompanion
Merge branch 'master' of github.com:TPTeam/reactive_mongo_crud
Merge branch 'master' of github.com:TPTeam/reactive_mongo_crud
Merge branch 'master' of github.com:TPTeam/reactive_mongo_crud

allineati
Merge branch 'master' of github.com:TPTeam/reactive_mongo_crud
Merge branch 'master' of github.com:TPTeam/reactive_mongo_crud
Merge branch 'master' of github.com:TPTeam/reactive_mongo_crud

getting back to 0.28 in order to fix TablePager's parsing
bugfix in header's request parsing:

sSortCol_0 => iSortCol_0

and the default value is supposed to be Int, not String