added 4chan thread search module
oops
Added module _on_load and _on_unload functions, and markov chaining

Conflicts:
	xbotpp/modules.py
made markov threading a bit better
bumped version because i changed core just before didn't i lol

Conflicts:
	xbotpp/__init__.py
v0.4.x initial commit

Conflicts:
	xbotpp/__init__.py
	xbotpp/modules.py

Conflicts:
	doc/.gitignore
added doc _build to gitignore
added default config and updated licensing