Input pcre and output pcre

[bool101]

-O and -I arguments added for input and output PCRE filtering, need to finish implementation

need to apply the input regex to the listen_fd_r socket need to apply the output regex to the remote_fd_r socket need to use different ring buffers for both

[r3v-evilmegacorp]

Might also be a good idea to implement something like this

http://blog.didierstevens.com/programs/xorsearch/

To find our keys leaving under an xor