Solving #170

Hi guys,

After reading the issue #170, I did some research to fix it.

For me, the easier fix was to get back the octopus_establish_connection method, and remove the establish_connection alias method chain :bomb:.

I know it's not the best API, but it's better to have a "not so good" API than to have bugged code.

@ragalie / @sobrinho , what you guys think about this PR?

Thanks,

Thiago