1 * flag deleted files (<path action="D"...>)
2 * support more xslt processors
3 * group changes per autor per day
5 * if an authors.xml file exists in the current directory automatically pick it up
6 * improve performance of processing authors.xml
7 * fix awk magic to not break with spaces in repository names
8 * find better names for options
9 * create backup of previous changelog file