gomobile compatible ios crosscompilation/binding

v0.0.3

Remove duplicated exports

Xgo compatible cross compilation

v0.0.2

Cross compiled for the last time

Linux and windows targets

0.0.1-rc2

Linux and win support added (I hope)

Openvpn3 for macOS arch

First atempt to replace openvpn external executable with builtin go style openvpn3 library