Sorry but focuswriter in raspbian wheezy will not be updated to a newer upstream version.
The problem is every deviation we make from debian carries the potential to break stuff and/or cause future maintinance headaches. So to stay sane we have to keep such deviations to a minimum.
When debian jessie is created it will almost certainly pick up the new version of focuswriter from debian sid. Raspbian jessie will in turn pick up the new focuswriter from debian jessie.
P.S. the fact that one of our moderators shares a name with the next release of debian (and hence raspbian) is entirely coincidental.