bug #664 - csv file caching, support multi-threading
pep8 fix
bug #664 - apply fixes: arg1 -> sec_timeout, lock on function, seconds -> total_seconds()
bug #669 - add default avatar image
bug #664 - apply fixes: pep8, remove *args
Merge pull request #7 from rgatkowski/bug_664_new

bug #664 - csv file caching, support multi-threading
bug #669 - fix show avatar
Merge pull request #8 from rgatkowski/bug_669

bug #669 - add default avatar image