Support XL and EXL containers

[SamMackrill]

prob need to get one :)

[Vengeance1989]

Having issue where linking 5 EXL containers to container hub then renaming the Containers and the hub its self to C_***(Bauxite) causing screen to say 100% full and incorrect valves in the container

[SamMackrill]

Provisional changes are in V2.1.7 - let me know any issues