added new Revere-Roman exercise
adding C++ Catch unit-test-framework
increased max_duration of C++Catch in installation test
increased max_duration of C++-Catch in installation test even more
added tests for parsing catch output
added output parse test for when Haskell throws an error
fixed parse_clojure fault and added new test for it
simplified parsing of google_test output
tidy up of notes about pending minor tweaks
more design notes for future features
removed unused :hidden_filenames
when animal starts output-file displays a message saying please wait while tests are run
add -f option when using rm *.class so you don't get a warning if there are no .class files
new-file honours line-numbers state
model tests tidy up
moved tests using externals into new integration folder
moved more tests using externals into new integration folder
filled more test/model gaps
split some of lib off into app/lib
test folder renames; coverage refactoring