More rlm_cache consistency!
typo
Print complaints about duplicate configs less often
Remove warning for duplicate configuration items

It's not always valid, and it'd be a PITA to mark up config items correctly
Add more ZTE attributes
Improve error logging in radclient by using fr_perror
Fix comment in version.c
Add vp_aprints
Output the attribute which failed the filter
Doxygen
Dumb typo
Add access challenge as a response type in radsniff
match could be uninitialised
Warn users when were screwing with the values they set
Merge pull request #616 from spaetow/patch-1

Update operator-name
Use next_by_da when we have the da
Use consistent names for vp_aprint, vp_aprint_value and vp_aprint_type
Unused return value
remove unused assignment
Assertion to quiet clang scan