inital run of removal of long doubles
adding comments
Add testcases
Merge branch 'michael-0921' of https://github.com/mastercoin-MSC/mastercore into add-int128-SP-calcs
Commit testcase with int128s
Cleanup and consensus
Update test case with new logic
Add readme and dependency list
Merge pull request #96 from faizkhan00/add-int128-SP-calcs

Add int128 sp calcs and long double removal