Committing changes to POP/PUSH
Merge branch 'master' of github.com:dopl/bytecast-interp

Conflicts:
	src/bytecast-interp/src/edu/syr/bytecast/interp/amd64/instructions/ISAInstructionPOP.java
	src/bytecast-interp/src/edu/syr/bytecast/interp/amd64/instructions/ISAInstructionPUSH.java
Merge branch 'master' of github.com:dopl/bytecast-interp
Fixed carry/overflow/parity/zero in add and subtract, updated ADD to correctly use memory sizes. Implemented pop, sub, and nop