[commands] Default converters now take in IDs to match against.
[commands] Default converters now take in IDs to match against.

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