wrote estimator class/basic estimator
commenting estimator
added card sorting functionality to scorecounter
implemented estimate AI

also made fullAI more of a utility class for defining new AIs
changed back full and modified est
Revert "changed back full and modified est"

This reverts commit 8f9235dc5617931106afe4880dc2059cfc8a081f.
implemented est/tests/fixed estimate issue
optimized estimate, est test
implemented depth/estimate combination AI
updated depthest to also estimate treasure choice

runs pretty fast now on minimal settings (100 full player games in less
than a minute)
some more ai tests
removed old test