# Functions
GenerateAndSave - generates cert and key and saves them on your disk.
GetTLSCertificate - takes x509 cert and private key, returns tls.Certificate that is ready for proxy use.
NewCertificatePair - returns x509 cert + private key.
PemBlockForKey - based on key returns a block.
# Variables
MaxSerialNumber - nothing very original, big number.