remove existing caches during install
bump the version number
make cache size 512MB (seems to avoid crashes on the server?)
new test for repeat inside combine
update to latest eXist develop
recompile all caches if a required translation has changed
contributor credits from linkage docs should also be included
handle the case of changed nontransformable dependencies
use all https github links. note: you will need to run git submodule sync in order to get this to work right
do not backup/restore groups that are automated by the installer
remove some debugging printouts
Merge branch 'release/server-v0.7.4'
Merge tag 'server-v0.7.4' into develop

Tag for server v0.7.4