non existing file cause creation of empty directory
Merge pull request #18 from oat-sa/fix_copy_file

non existing file cause creation of empty directory
LIKE in use when not necessary, causing some wrong count results in countInstances.
New session handling.
Only load models of enabled extensions
fix testcase modelRight
Invalidate opcache on kv unset
Added testcase for common_cache_NotFoundException
Removed debug message
solve sessions header during unit test
Merge pull request #19 from oat-sa/sessions_header_during_unittest

solve sessions header during unit test
Fix for opcache_invalidate on deleted files
Merge branch 'develop' of git://github.com/oat-sa/generis into develop
Rdf fix included in easyRdf >= 0.9
fixed easyRdf version to 0.9.*
fixed quotes in composer
Limited easyRdf version correctly to 0.9.*