Add modifier keys to option dictionary (johnste#62)

Fix issue where host is missing in urls (probably most common in file…

…:// urls

Rewrite config loading/validation

Initialize config loader earlier. Fixes johnste#55

Bump version

Merge pull request johnste#50 from johnste/finicky-2

Finicky 2

Version 0.5

Version 0.4

Version 0.3

Version 0.2