Add client chat handler, comment some NPE
Signed-off-by: Karang <arthur.hennequin@free.fr>
More protocol stuff
Signed-off-by: Karang <arthur.hennequin@free.fr>
Merge pull request #589 from Karang/master

Add client chat handler, comment some NPE
un-abstract entities and inventories.

Signed-off-by: Nick Minkler <sleaker@gmail.com>
we don't need blank templated substances.

Keeps SignComponent, but renames it to AbstractSign to match Chests.

Signed-off-by: Nick Minkler <sleaker@gmail.com>
Fix InputExecutor for API change

Signed-off-by: L5D <L5D@L5D-PC>