Added partial support for using subdirectories instead of gzipped tar archives.
Added partial support for using subdirectories instead of gzipped tar archives.

ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools