added --eval-ok and changed default behaviour to alert on evaluation license
Add SNI support for checks.

Added support for SNI (Server Name Indication).
fixed sni support to not require lib var, refactored code to be cleaner and added usage and description for SNI
updated README.md
updated README.md
updated README.md
merged old safe mode check from last year, updated date to that first one
set executable
Merge branch 'master' into dev