Specified and implemented TankLevel. It went better than expected.
small optimization to search from smallest to largest templates.
Updated readme and readme test code to be more readable and include
new TankLevel investigator.
cleanup comments
fixed logic in image factory
rewrote most of templatefinder specification and implementation
after experience making others.
Added optional scaling for speed at the same time (whoops).
Updated readme and corresponding manual test code to include the new
speed scaling feature in TemplateFinder. Makes the demo respond in
human-time.
cleaned up documentation and order of specifications within each TestCase
to put the primary behavior specifications first and label them clearly.
Other minor cleanup of the specifications.
version bump for scaling feature.