Fix a stupid mustake in bed307e
Added more mips assembler instructions
Dont think theres an a7 register in mips
Fixed R opcodes
Fix mips-asm for 'R' types and remove '$' from mips.cs regs
Fix #997 - Can't assemble xor eax,eax on 64bit
Update capstone-next to get some x86 disasm fixes
Add support for UTF-8 and better WChar strings in RBin

- Better string recognition.
- Better wchar string detection
- UTF-8 helpers. Better string detection.
- Break on invalid sequences
- Fix the vaddr translation. Misc fixes
Colorize cmd info