improved method signature matching

merge next small set of changes and enhancements (#1)

* various reliability and usability changes plus

tighten up locating files, clean up the generated report, improve reliability matching method signatures, hardwire AnalyzeCodeStructure for this semester's LinkedBag assignment (will eventually be pulled out as an example rather than a general-purpose tool)

* bump snapshot version to 0.0.2-SNAPSHOT

* fix Javadoc comment