Tidy up error returns + messages on client calls.
tree75d47f446b41e21cf5207bbbb57f7706dd122ea3
-rw-r--r-- 17982 COPYING
-rw-r--r-- 4551 Manifest
-rw-r--r-- 6554 README
-rw-r--r-- 0 Read-Manifest-Now
-rw-r--r-- 1894 Roadmap
-rw-r--r-- 40295 WHATSNEW.txt
drwxr-xr-x - docs
drwxr-xr-x - examples
drwxr-xr-x - packaging
drwxr-xr-x - pcp
drwxr-xr-x - source
drwxr-xr-x - swat
drwxr-xr-x - testsuite