For those looking to play with bots, I edited a line in weapon.inc to stop bots being stripped from weapons. You still need to download another plugin to give them weapons such as Gun Menu:
https://forums.alliedmods.net/showthread.php?p=2717647
I tried hacking the code together but proved unsuccessful (I am a noob to scripting here
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Just place attached in addons\sourcemod\scripting\codlife and compile codlife.sp