Store number fields in documents as Perl IVs and NVs
Store number fields in documents as Perl IVs and NVs

Inverter_Invert_Doc expects IVs or NVs in number fields. It would be
more efficient if Clownfish::Objs were supported as well. But this
matters only in the unusual case of creating documents from C space
like in the test suite.

kidaa/lucy,nwellnhof/lucy,rbevers/lucy,apache/lucy,apache/lucy,rbevers/lucy,pombredanne/apache-lucy,kidaa/lucy,nwellnhof/lucy,rectang/lucy,kidaa/lucy,rectang/lucy,rectang/lucy,rbevers/lucy,pombredanne/apache-lucy,kidaa/lucy,kidaa/lucy,pombredanne/apache-lucy,apache/lucy,pombredanne/apache-lucy,apache/lucy,rectang/lucy,kidaa/lucy,pombredanne/apache-lucy,apache/lucy,rbevers/lucy,kidaa/lucy,pombredanne/apache-lucy,kidaa/lucy,rectang/lucy,nwellnhof/lucy,rbevers/lucy,rbevers/lucy,nwellnhof/lucy,pombredanne/apache-lucy,rbevers/lucy,nwellnhof/lucy,nwellnhof/lucy,nwellnhof/lucy,apache/lucy,rectang/lucy,rectang/lucy,apache/lucy