(charles, neilen) Updated/improved some doctstrings & messages

git-svn-id: https://katfs.kat.ac.za/svnDS/code/katcp-python/trunk@17867 b56c7a7d-ac47-0410-a905-b6f7de78896a
katcp v5 new strategy adding and testing WIP

git-svn-id: https://katfs.kat.ac.za/svnDS/code/katcp-python/trunk@17881 b56c7a7d-ac47-0410-a905-b6f7de78896a
katcp new strategy update WIP

git-svn-id: https://katfs.kat.ac.za/svnDS/code/katcp-python/trunk@17882 b56c7a7d-ac47-0410-a905-b6f7de78896a
kacpv5 event-rate WIP

git-svn-id: https://katfs.kat.ac.za/svnDS/code/katcp-python/trunk@17883 b56c7a7d-ac47-0410-a905-b6f7de78896a
new katcp v5 strategies WIP

git-svn-id: https://katfs.kat.ac.za/svnDS/code/katcp-python/trunk@17884 b56c7a7d-ac47-0410-a905-b6f7de78896a
Event-rate implementation that seems to work according to spec with 'timewarping' integration test

git-svn-id: https://katfs.kat.ac.za/svnDS/code/katcp-python/trunk@17885 b56c7a7d-ac47-0410-a905-b6f7de78896a
(nmarais, charlesdv) Improve implementation of event-rate strategy, add 'simulated-time' integration tests

git-svn-id: https://katfs.kat.ac.za/svnDS/code/katcp-python/trunk@17886 b56c7a7d-ac47-0410-a905-b6f7de78896a
Use unittest2 for test_sampling.py in katcp-python

git-svn-id: https://katfs.kat.ac.za/svnDS/code/katcp-python/trunk@17888 b56c7a7d-ac47-0410-a905-b6f7de78896a
(nmarais, charlesdv) Add differential-rate strategy to katcp-python library

git-svn-id: https://katfs.kat.ac.za/svnDS/code/katcp-python/trunk@17898 b56c7a7d-ac47-0410-a905-b6f7de78896a
Update katcp docs and version for 0.5.4

git-svn-id: https://katfs.kat.ac.za/svnDS/code/katcp-python/trunk@17900 b56c7a7d-ac47-0410-a905-b6f7de78896a