Update TODO

TODO

@@ -51,10 +51,11 @@ Test suite	  implemented	verified
 
 1.2.0
 DNSTimeout (requires dkimpy change)
-KeyTable
-KeytableEd25519
+KeyTable            implemented  verified
+KeytableEd25519     implemented  verified
+MinimumKeyBits
 SignHeaders	    implemented
-SigningTable
+SigningTable        implemented  verified
 TemporaryDirectory
 
 Planned dataset type support (if needed):
@@ -66,7 +67,6 @@ AlwaysAddARHeader
 ChangeRootDirectory
 ClockDrift (requires dkimpy change)
 MilterDebug
-MinimumKeyBits
 OmitHeaders
 OversignHeaders (may require dkimpy changes)
 PeerList
@@ -105,7 +105,6 @@ SignatureAlgorithm
 SignatureTTL
 SoftwareHeader
 StrictHeaders
-SubDomains
 TestDNSData
 TestPublicKeys