The discussion of pgr_nodeNetwork for version 2.2
I would be nice a complete revision of pgr_nodeNetwork

Related Issues:
#330 pgr_nodeNetwork, add where clause
#280 pgr_nodeNetwork does not correctly split line segments
#240 Couple of bugs after pgr_nodeNetwork applying
#214 pgr_nodenetwork is creating 'LINESTRING EMPTY' records
#172 small improvement suggestion for pgr_nodenetwork function in 2.0 RC
#140 Add support for passing bigint as ids and returning them
#423 switched id and geom in notice by pgr_nodeNetwork
#540 ’pgr_nodeNetwork' sub_id starts from other number rather than 1
#623 Orthogonal lines to road network are not noded with pgr_nodeNetwork