Add DbTable class. Intended to be the (base of) replacement of DbPackages functions.
Add DbTable class. Intended to be the (base of) replacement of DbPackages functions.

Signed-off-by: Norv <d55ef392d8b6109bd5e2d5f078697aaf4cc3c62c@gmail.com>

elkarte/Elkarte,emanuele45/Dialogo,interlab/Elkarte,elkarte/Elkarte,Spuds/Elkarte,emanuele45/Dialogo,StealthWombat/How-to-fork-an-Elk,wizardaf/Elkarte,Spuds/Elkarte,StealthWombat/How-to-fork-an-Elk,Spuds/Elkarte,StealthWombat/How-to-fork-an-Elk,StealthWombat/How-to-fork-an-Elk,joshuaadickerson/Elkarte2,emanuele45/Dialogo,Ant59/Elkarte,nwsw/Elkarte,joshuaadickerson/Elkarte2,interlab/Elkarte,Ant59/Elkarte,elkarte/Elkarte,interlab/Elkarte,wizardaf/Elkarte,joshuaadickerson/Elkarte2,wizardaf/Elkarte,wizardaf/Elkarte,Ant59/Elkarte,joshuaadickerson/Elkarte2,nwsw/Elkarte,nwsw/Elkarte