Add fallback code for old mason ui for workflow probing
New generic validators Connector and Regex
Add validators for metadata workflow
Fix inline docs
Add some more magic glue for multivalue fields in metadata

Fiels in the metadata workflow can now be marked multivalued
which lets the new ui render cloneable fields. The class can also
transition from scalar values to multivalues when loading the
initial metadata fro the table as the issuance wfl usually only write
a single item (e.g. mail)
Version Bump 0.11.4-3
Add missing validator to MANIFEST, fixes #122
Change cert attribute handling in metadata workflow

Remove the bracket notation in the database
Remove index on wfl attribtues in  schema init

As the init creates the value as a lontext the index creation failes.
Init code needs cleanup or replacement.
Fix a to generous eval in workflow factory (F'up on 063421)
Version Bump 0.11.4-4
Enhance RegEx Validator to check arrays
Fix bug in metadata activity
Fix incorrect scep reply on repeated enroll request, fixes #126
Add scep subject rendering to sample scep
Change behaviour of set_data_pool expiration

The api was somewhat inconsitent regarding set/update of expiration
date and was missused in several places. This patch equals the behaviour
of initial set and update (using force) in the way, that a missing or undef
value for expiration date sets it to infinity.
The value of 0 is no longer accepted as it had unclear definition.
Adjust datapool calls to changed api
Fix race detaction code in scep server
Fix Mason UI to properly convert datetime info for changed get_cert API
Fix exception in scep san parser