Fix for #4445.
Fix for #4458.
Typo fix.
Smallfix.
Smallfix.
Tiny fix.
Fix for embedding.
Fix for ban queries.
Fix for #4479.
Merge pull request #4468 from Segrain/master

Bugfixes.
Merge pull request #4477 from Ccomp5950/runtimefixes

Runtimefixes
Runtime fix:  RP_Revolution's auto_add_rev_head loves that null.

runtime error: Cannot read null.client
proc name: process (/datum/game_mode/revolution/rp_revolution/process)
  source file: rp_revolution.dm,198
runtime error: Cannot read null.client
proc name: process (/datum/game_mode/revolution/rp_revolution/process)
  source file: rp_revolution.dm,198
runtime error: Cannot read null.client
proc name: process (/datum/game_mode/revolution/rp_revolution/process)
  source file: rp_revolution.dm,198
runtime error: Cannot read null.client
proc name: process (/datum/game_mode/revolution/rp_revolution/process)
  source file: rp_revolution.dm,198
runtime error: Cannot read null.client
proc name: process (/datum/game_mode/revolution/rp_revolution/process)
  source file: rp_revolution.dm,198
runtime error: Cannot read null.client
proc name: process (/datum/game_mode/revolution/rp_revolution/process)
  source file: rp_revolution.dm,198
Runtime fix:  OH GOD NOT THE BEEs WON'T SOMEONE CALM THEM DOWN?

Other then NULL?

runtime error: Cannot read null.type
proc name: Life (/mob/living/simple_animal/bee/Life)
  source file: bees.dm,91
runtime error: Cannot read null.type
proc name: Life (/mob/living/simple_animal/bee/Life)
  source file: bees.dm,91
runtime error: Cannot read null.type
proc name: Life (/mob/living/simple_animal/bee/Life)
  source file: bees.dm,91
runtime error: Cannot read null.type
proc name: Life (/mob/living/simple_animal/bee/Life)
  source file: bees.dm,91
runtime error: Cannot read null.type
proc name: Life (/mob/living/simple_animal/bee/Life)
  source file: bees.dm,91
runtime error: Cannot read null.type
proc name: Life (/mob/living/simple_animal/bee/Life)
  source file: bees.dm,91
runtime error: Cannot read null.type
proc name: Life (/mob/living/simple_animal/bee/Life)
  source file: bees.dm,91
runtime error: Cannot read null.type
proc name: Life (/mob/living/simple_animal/bee/Life)
  source file: bees.dm,91