Please increase the edict limit

[ThePixelMoon]

Is your feature request related to a problem? Please describe.
Currently the edict limit is roughly 2048(1<<11). That is not enough for most modern games that (might probably) use Obsoletium.

Describe the solution you'd like
A perfect solution would be increasing the 11 to 14, making it 16k. It is located in const.h, at around line 63.

Additional context
There are also some limits that could be increased in bspfile.h

[RaphaelIT7]

Just to note, raising it above 13 / to 14 can become a problem with ENTITY_SENTINEL since it's set to 9999 which probably would break the networking when an entity gets the index 9999 assigned.
So that would need to be updated too if this is done