Merge pull request #99 from Ricky1833/master

corrected issue in validate operand size
Merge pull request #100 from Ricky1833/master

Finally validating operands properly...i hope
Basic format 3/4 handling
Delete p4source4.lis
Delete source5.lis
Delete source1.lis
Merge pull request #101 from IanJRigg/formtf

Formtf
Merge pull request #24 from IanJRigg/master

grabbing Ian's latest