added a way to track the start time for every request

Conflicts:
	lib/lsit/suite.rb

Fixes #7
typo fix

Fixes #7
add some love coming from a @ph review

Conflicts:
	lib/lsit/suite.rb
	spec/lib/suite_spec.rb

Fixes #7
use proper var names and typo fix

Conflicts:
	spec/lib/suite_spec.rb

Fixes #7
make the suite formatter more clear

Fixes #7