Assembler dev meeting #11

sync-ed up Jenny coding skill to all of us. Jenny now clearing all useless code, rename variables to a more meaningful name. Our next job is to encode all instructions together, and for me, create an ELF library to output ELF format object code.

Here is our tuned assembler grammar https://gitlab.com/quantr/toolchain/Assembler/blob/master/src/main/java/hk/quantr/assembler/antlr/AssemblerParser.g4