devel release
Fix t_trace_cat test, bug654.
Fix ordering of clock enables with delayed assigns, bug613.

Signed-off-by: Wilson Snyder <wsnyder@wsnyder.org>
Fix vpi_iterate on memory words, bug655.
VPI internals: Rename VerilatedRange left/right to match IEEE + VNumRange. No functional change.
Fix interface ports with comma lists, msg1058.
Merge branch 'master' into gated-clock

Conflicts:
	test_regress/t/t_gated_clk_1.pl
	test_regress/t/t_gated_clk_1.v