Minor cleanup of still-cruddy web server code.
Minor additional cleanup
more small cleanups
Adding more structure to the json returns, commit 1 (pi search replies).
More cleanup.  Primary thing:  new openAndStat convenience function to try to simplify the Open function.
Merge dhalperin pre-1.1 compatibility commit #1
dhalperi commit #3 to clarify readme pi digit location
Further doc update to readme