Recompute thresholds (when provided)
Modified debugging in WLS
Rewrite algebra/fitfunction lookup in MxFitFunctionMultigroup
Restore commented part of test
Changed mxTryHard()'s "objective function" references to "fit function", since that's what they're called in 2.0; add condition to use best fit if most recent fit ended in error.
Downgrade check of algebra dimnames to a warning for backward compat
Edit 'make clean' to also remove src/*.dll (Windows shared library).
Add mxTryHard() and its man page.
Add check for data type of algebra dimnames
CSOLNP: removed in addition warning message