Update README.md (#582)
Update README.md (#582)

Update README to reflect 2019 and current state of the Pwndbg community
anthraxx/pwndbg,cebrusfs/217gdb,pwndbg/pwndbg,cebrusfs/217gdb,0xddaa/pwndbg,cebrusfs/217gdb,anthraxx/pwndbg,pwndbg/pwndbg,anthraxx/pwndbg,anthraxx/pwndbg,0xddaa/pwndbg,pwndbg/pwndbg,0xddaa/pwndbg,pwndbg/pwndbg,cebrusfs/217gdb