PEP8
Removed unused import
Simpler execution of tests
Include CSS & JS into every generated HTML file

When file is created in remote machine then CSS/JS
resources are not loaded because of invalid path to files.
Case insensitive sorting of local variables
Better readability
Don't show types/modules/functions in list of local variables
Don't duplicate globals in list of locals
Render empty value as non-breaking space
Ignore top secret local directory :)
Fixed encoding of machine representation of context lines
Removed empty trailing lines from context code (closes #6)
Bump v0.2.1