Begin addition of ActiveSupport
Add rack test dependency
Add test case
On to chapter 2
Add basic routing
Add routing to Application class
Get path info from env
some change to rulers
Rescue errors
Wrap controller router as well
use implicit begin
Revert back
Explicitly set gem versions
Update spec to be not so specific
Change up the file structue, implement const_missing as a file loader
Fix possible recursive const_missing
Add slim test coverage, base implementation
Try to make slim render
Use different methods
More slim configuration