update documentation to be clear about argument passing
We apparently work on Arch Linux with a symlink
Fix: possible NULL dereference in polarssl

Fixes #85

Signed-off-by: David Goulet <dgoulet@ev0ke.net>
Merge pull request #86 from dgoulet/bug85

Fix: possible NULL dereference in polarssl
Add FreeBSD port install info (valid after 0.0.7 is released)