Add Portuguese translation for three new strings (simple block prototype labels).
Correct typo.
Condense damage list by merging overlapping dirty rectangles

thanks, Craxic, for suggesting the idea for this optimization in #192 !
Increase maximum clone count from 128 to 300
Merge pull request #205 from MMSequeira/master

Update Portuguese translation.
Portuguese translation update integration
Condense damage list even more

by merging nearby rectangles, thanks, Craxic, for the idea for this in
#192
fixed #213 - Empty else block breaks return to caller

Thanks, Art, for reporting this bug!
Merged Jens's changes