[commands] Context.invoke will now return what the command returns.
[commands] Context.invoke will now return what the command returns.

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