Avoid n_children() calls in Elem serialization
Avoid n_children() calls in Elem serialization

roystgnr/libmesh,capitalaslash/libmesh,balborian/libmesh,svallaghe/libmesh,90jrong/libmesh,balborian/libmesh,BalticPinguin/libmesh,BalticPinguin/libmesh,capitalaslash/libmesh,giorgiobornia/libmesh,hrittich/libmesh,capitalaslash/libmesh,giorgiobornia/libmesh,hrittich/libmesh,pbauman/libmesh,jwpeterson/libmesh,libMesh/libmesh,capitalaslash/libmesh,jwpeterson/libmesh,svallaghe/libmesh,jwpeterson/libmesh,dschwen/libmesh,roystgnr/libmesh,libMesh/libmesh,pbauman/libmesh,libMesh/libmesh,roystgnr/libmesh,libMesh/libmesh,jwpeterson/libmesh,90jrong/libmesh,balborian/libmesh,90jrong/libmesh,dschwen/libmesh,giorgiobornia/libmesh,hrittich/libmesh,90jrong/libmesh,pbauman/libmesh,pbauman/libmesh,giorgiobornia/libmesh,dschwen/libmesh,pbauman/libmesh,balborian/libmesh,90jrong/libmesh,90jrong/libmesh,hrittich/libmesh,roystgnr/libmesh,svallaghe/libmesh,libMesh/libmesh,roystgnr/libmesh,capitalaslash/libmesh,hrittich/libmesh,dschwen/libmesh,roystgnr/libmesh,balborian/libmesh,capitalaslash/libmesh,hrittich/libmesh,dschwen/libmesh,pbauman/libmesh,BalticPinguin/libmesh,svallaghe/libmesh,capitalaslash/libmesh,pbauman/libmesh,pbauman/libmesh,giorgiobornia/libmesh,balborian/libmesh,svallaghe/libmesh,balborian/libmesh,hrittich/libmesh,giorgiobornia/libmesh,roystgnr/libmesh,BalticPinguin/libmesh,BalticPinguin/libmesh,dschwen/libmesh,dschwen/libmesh,svallaghe/libmesh,dschwen/libmesh,pbauman/libmesh,balborian/libmesh,BalticPinguin/libmesh,hrittich/libmesh,hrittich/libmesh,capitalaslash/libmesh,libMesh/libmesh,balborian/libmesh,balborian/libmesh,jwpeterson/libmesh,libMesh/libmesh,jwpeterson/libmesh,svallaghe/libmesh,giorgiobornia/libmesh,90jrong/libmesh,BalticPinguin/libmesh,svallaghe/libmesh,roystgnr/libmesh,giorgiobornia/libmesh,jwpeterson/libmesh,libMesh/libmesh,BalticPinguin/libmesh,svallaghe/libmesh,jwpeterson/libmesh,giorgiobornia/libmesh,90jrong/libmesh,90jrong/libmesh