Add post-exploitation module to get FW filtering rules
Ports default values added, is_internal REX function added, reference added
Do minor cleanup
Merge pull request #6 from jvazquez-r7/review_4187

Do minor cosmetic cleanup for post-exploitation module to get FW filtering rules
session.tunnel_peer changed by session.session_host. Other minor changes
Rex::Socket.to_sockaddr changed
Rex::Socket.to_sockaddr changed
Fix DYNAMIC_BASE templates
Support 32 and 64-bit for exe-only, and fix -k
Document method

Fix #4366 (support dynamic_base templates)
recvfrom allocation changed
Show message at the end
Add stager for hidden bind shell payload
AHOST OptAddress moved to the payload
Handler and block_hidden_bind_tcp deleted
New block_api applied
Add bind_hidden_tcp to payload spec
Merge pull request #7 from wvu-r7/pr/3394

Add bind_hidden_tcp to payload spec
Readd block_hidden_bind_tcp.asm

Because stager_hidden_bind_tcp.asm includes it.
Merge pull request #8 from wvu-r7/pr/3394

Readd block_hidden_bind_tcp.asm