Fixes #1
Fixes #3.
Add some histogram tests.
Rename test heap to smallheap.hprof to avoid confusion.
Saner launch options
Update .gitignore
Finish initial histo tests, fixes #7
Convert inline TODOs to Github issues
ClassInfo.matchingClasses & tests for same
Add skip set parsing
Tie skip/noskip into command loop
Complete configurable skip lists; fixes #5