Add send_typing command to allow sending typing updates.
Add send_typing command to allow sending typing updates.

variablehair/Eggplantato,mgardne8/discord.py,imayhaveborkedit/discord.py,Harmon758/discord.py,rapptz/discord.py,Rapptz/discord.py,Harmon758/discord.py,lgkern/PriestPy,khazhyk/discord.py,Theoretical/UselessBot,jhgg/discord.py