Commentary
Fix internal error on "input x =" syntax error, bug716.
Fix inside statement EQWILD error, bug718.
Internals: Shrink AstSelPlus code. No functional change.
Internals: Refactoring V3WidthSel. No functional change.
Fix slice extraction from packed array, bug717.
test driver: Update VCDs when given HARNESS_UPDATE_GOLDEN
Add parameters into trace files, bug706.
Optimizer: Put constants on left side of compares to match other AstBiOps and extend optimizations. No runtime result change intended.
Internals: Debug message.
Fix signed shift right optimization, bug715.
Fix parsing "#0 'b0", bug256.
Version bump
Merge branch 'master' of http://git.veripool.org/git/verilator
Remove useless debug message
Begin import from fhdl