data.c, persistence_framework: Strip whitespace.
persistence_framework.c: Add file doxygen documentation.
persistence_framework: Include cleanup.
Fixed a bug in ib_field_convert() that could cause it to
incorrectly treat the incoming field string as zero length.
Numeric operators: Fixed a bug in the usage of ib_field_create_alias().
Clarified documentation on the usage of ib_field_create_alias()
field.h: Documentation fixes
field: Expanded alias tests and added convert tests.
predicate/dag: Initial multivalue/finished support.
predicate/documentation: Update to reflect multivalues.
ironbee++/list: Fix iterator default constructor.
predicate/validate: Use virtual base class to allow for combination of validate and "meta" call classes.
predicate/dag: Make reset virtual to allow call nodes to reset state.
predicate/dag: Clarify iterator guarantees.
predicate/dag: Add finish_alias() which allows empty unfinished nodes to finish and alias a list.
predicate/dag: Cleanup sanity checks on value related methods.
predicate/dag: Refactor add_value() code.
predicate/dag: Implement Node::finish_alias()
predicate/tests/parse_fixture: Update to new API.
predicate/metacall: Oull Abelian call out into a separate meta_call file.  Add MaplikeCall.