Core user data and leaderboard commands.

Added flexibility to data `update_where`.
Added interactive utils, with improved pager.
Added user data table, with caching and transactional interface.
Added `topcoins` command to `Economy`
Added `top` command to `Study`

bot/modules/study/module.py

@@ -0,0 +1,4 @@
+from cmdClient import Module
+
+
+module = Module("Study_Stats")