[master] Merge branch 'trac4480'

Add debug statements to the classification code

diff --cc ChangeLog
index c7d75619fb2736ac67d442c5ab082f6f42338a13,d55ad1e1ff3e755a73d3c77922fbfcf48e1410e5..e717051be8ea56d549dbe1a82714ec6a62ff242c
--- 1/ChangeLog
--- 2/ChangeLog
+++ b/ChangeLog
@@@ -1,26 -1,9 +1,32 @@@
 -11XX. [func]          sar
++1119. [func]          sar
+       Add debug logging to the classification tokens.  This uses
+       the loggers "kea-dhcp4.eval" and "kea-dhcp6.eval" to capture
+       details of the classification expression evaluations.
+       (Trac #4480, git TBD)
+ 
 +1118. [func]          stephen
 +      Make the database connection timeout a configurable parameter with
 +      a default value of five seconds.
 +      (Trac #3164, git 3332ad17523c6fcc1e735e4297169ebb2de95118)
 +
 +1117. [bug]           marcin
 +      Performance improvement in libdhcp++: improved efficiency of the
 +      DHCPv4 Message Type option creation.
 +      (Trac #4495, git 41c43a2a9e34931fc3ebf58c459f10ad08575d19)
 +
 +1116. [bug]           marcin
 +      Performance improvement in hosts reservation: removed
 +      inefficient conversion of the host identifier to text
 +      when logging.
 +      (Trac #4499, git 48c20790480d5ed7bfde0ef7b052dd4a9745607d)
 +
 +1115. [func]          tmark
 +      The "query4" argument, containing the client packet received, has been
 +      added to the DHCPv4 hook points: lease4_select and lease4_renew.  The
 +      "query6" argument, containing the client packet received, has been
 +      added to the DHCPv6 hook points: lease6_select and pkt6_send.
 +      (Trac #4481, git c0af94c47bda85eb1caa3a78a46280b63990672a)
 +
  1114. [bug]           stephen
        Adjusted variable type in a MySQL-related file to overcome a
        type mismatch problem reported by one particular compiler.