code: function encodeArray_PRIM_BULK_PLAIN( encoder, data, properties ) {
  
  	//
  	// Bulk Array of Primitives (PRIM_BULK_PLAIN)
  	//
  	// ........ + Signature ID
  	// 01111000     [16-bit]
  	//
  
  	// Lookup signature
  	var eid = encoder.getSignatureID( properties ), weave = [];
  	encoder.counters.arr_prim_bulk_plain+=1;
  	encoder.log(LOG.ARR, "array.prim.bulk_plain, len="+data.length+
  		", signature="+properties.toString()+
  		", eid="+eid+" [");
  	encoder.logIndent(1);
  
  	// Put header
  	encoder.stream8.write( pack1b( ARR_OP.PRIM_BULK_PLAIN ) );
  	encoder.stream16.write( pack2b( eid, false ) );
  	encoder.counters.arr_hdr+=3;
  
  	// Write bulked properties
  	var weaveArrays = [];
  	for (var i=0, pl=properties.length; i<pl; ++i) {
  
  		// Read property of all entries
  		var prop = [], p = properties[i];
  		for (var j=0, el=data.length; j<el; ++j) {
  			weaveArrays.push( data[j][p] );
  		}
  
  	}
  
  	// Encode cmpact weaved array
  	encodeArray( encoder, weaveArrays );
  
  	// Close log group
  	encoder.logIndent(-1);
  	encoder.log(LOG.ARR, "]");
  
  }
docs: Encode array data as bulk of plain objects