+ fix input/excel encoding problems
+ use UTF-8 as internal encoding
+ dump stats into var/stats.yml
+- WebPAC::Output::SWISH for indexing with swish-e
- marc_clone to copy records/fields/indicators from input marc
-- rewrite WebPAC::Input to be based on Module::Pluggable
+- rewrite WebPAC::Input to be based on Module::Pluggable or Moose
- check usage of config in normalize file (database, input name?)
- load_ds/save_ds should use on-disk hash to preserve inodes
- validate should ignore modify_file