Added support for the Font payload type
Add test suite for Certificate payload

Closes #4.
Specify the correct package name in the generated .pm file
Ignore the auto-generated Config.pm file
Since we add an exception, don't auto-generate the license anymore.
Use --with-openssl instead of --openssl-path
Let's use periods!
Add checking for proper PEM/DER certificates, if OpenSSL is installed
Correct test descriptions for Root and PKCS1 tests