activate dehollerizer by default
add hollerith parsing, re-enabled t0331 test pair
re-enable t0329 test pair
re-enable t0255 & t0330 tests
enable simplified format_stmt
cosmetics
@i+=1 -> fwd
work in progress toward fixing t0345
re-enable test t0345r
re-enable t0345x, but disable several other tests
new normfixed.rb Comment-handling code; re-enable remaining tests
more work on dehollerizer integration