[x86] Change parsing method
[x86] Some primary opcodes
[x86] Add "disasm" app
Merge branch 'assembler' of github.com:hsyl20/ViperVM into assembler

Conflicts:
	ViperVM.cabal
	src/lib/ViperVM/Assembler/X86/Instruction.hs
	src/lib/ViperVM/Assembler/X86/Opcode.hs