Now supports C'hello' as data input

Chars are treated as base-256.
* as an opand now means "use current address"
Basic macro-processing now supported
Basic macro-processing now supported
Updated for macros
Updated for macros
Update main.cpp
Create Macro.h
Preserved the $ in macro-label

No need to delete it.
Merge pull request #1 from KevinButterfield/master

Pull_Assembler_4.25.14