Variable name changes, backed out SingletonModel components.
Pluggable ExecutionFilters are back in business.
Cosmetic case change.
Fix tests
made some minor changes to my simple logging PoC
ReSyncing changes to trunk, re: rev 159:168
typos
next round of logging changes.
make agile's proof of concept test into tests based off current code.
ignore src/buildtoold/classcache.inc
add appendParameter and appendParameterByRef methods to ParameterHolder
update tests
more logging tests.. small bugfix in Message