Add additional keywords to pattern match list

Adds support for the following keywords:

ControlPersist
ExitOnForwardFailure
ForwardX11Timeout
GSSAPIKeyExchange
GSSAPIClientIdentity
GSSAPIServerIdentity
GSSAPIRenewalForcesRekey
GSSAPITrustDns
HashKnownHosts
IPQoS
KbdInteractiveAuthentication
KbdInteractiveDevices
KexAlgorithms
LocalCommand
PermitLocalCommand
PKCS11Provider
RekeyLimit
RequestTTY
SendEnv
Tunnel
TunnelDevice
UseBlacklistedKeys
VisualHostKey