Console print function
Fix scrolling
Merge pull request #169 from rcchan/scrolling

Fix scrolling
Rename "sample" and "tutorial"
Include css in html blueprint
Merge pull request #167 from rcchan/tutorial_files

Rename tutorial files, simplify hierarchy
Print errors in printing
More tests on printing
Return 401 on no session id
Test ratelimiting without session
Directly test rate limiting
Merge pull request #185 from rcchan/ratelimit_sessionid_error

Return 401 on no session id for rate limiting, update tests
Test print() on objects with toString method
Merge pull request #166 from rcchan/console.print

Console print function
Remove expired sessions
Session keepalive
Remove collections of expired sessions
pep8 compliance
Remove unnecesssary asserts
Test session expiration and initial app loading.
Refactor keep alive tests.
Add scheduler and mock library to requirements.txt