+464. [func] jelte, muks
+ libdns++: The LabelSequence class has been extended with some new
+ methods. These are mainly intended for internal development, but
+ the class is public, so interested users may want to look into the
+ extensions.
+ (Trac #2052, 57c61f2^..dbef0e2)
+ (Trac #2053, 1fc2b06b57a008ec602daa2dac79939b3cc6b65d)
+ (Trac #2086, 3fac7d5579c5f51b8e952b50db510b45bfa986f3)
+ (Trac #2087, 49ad6346f574d00cfbd1d12905915fd0dd6a0bac)
+ (Trac #2148, 285c2845ca96e7ef89f9158f1dea8cda147b6566)
+
463. [func] jinmei
Python isc.dns: the Name, RRType and RRClass classes are now
hashable. So, for example, objects of these classes can be used