D->B now handles up to 18 digit numbers
need to write tests to ensure that what is displayed genuinely is the
correct value converted... and just write unit tests in general
keyboard input now spawns by default in main activity.
If I had to guess, the reason there was code in there to actually hide
the keyboard by default is because it's just a relic of legacy parts of
the app. Also removed excess print statements and updated version number
(1.2.0! nerds) - todo - push new version to website
MainActivity code cleanup.
got rid of a few miscellaneous sections of "junk" code
made some stuff static, added some todo's