Merge pull request #20 from Mughisi/master

plugins.Find() addition and OnServerInitialized() hook support.
Update patched DLLs with OnServerInitialized hook
Update hooks.txt information with OnServerInitialized hook
Fixed a small typing error

OnEntitySpawned should be OnEntitySpawn
Merge pull request #1 from Mughisi/patch-1

Catching up on the changes.