Add selectattr and rejectattr in built-in filters list.
Add selectattr and rejectattr in built-in filters list.

santoshsahoo/nunjucks,internalfx/nunjucks,fabien/nunjucks,campbellwmorgan/nunjucks,AaronO/nunjucks,mozilla/nunjucks,fabien/nunjucks,kevinschaul/nunjucks,AaronO/nunjucks,oddbird/nunjucks,mozilla/nunjucks,vigetlabs/nunjucks,santoshsahoo/nunjucks,internalfx/nunjucks,punkave/nunjucks,vigetlabs/nunjucks,devoidfury/nunjucks,atorkhov/nunjucks,oddbird/nunjucks,AaronO/nunjucks,punkave/nunjucks,kevinschaul/nunjucks,punkave/nunjucks,carljm/nunjucks,santoshsahoo/nunjucks,robgraeber/nunjucks,node-modules/nunjucks,carljm/nunjucks,robgraeber/nunjucks,atorkhov/nunjucks,node-modules/nunjucks,campbellwmorgan/nunjucks,rhengles/nunjucks,rhengles/nunjucks,vigetlabs/nunjucks,fabien/nunjucks,punkave/nunjucks,oddbird/nunjucks,carljm/nunjucks,robgraeber/nunjucks,node-modules/nunjucks,carljm/nunjucks,pardo/nunjucks,fabien/nunjucks,atorkhov/nunjucks,rhengles/nunjucks,devoidfury/nunjucks,kevinschaul/nunjucks,pardo/nunjucks,oddbird/nunjucks,campbellwmorgan/nunjucks,kevinschaul/nunjucks,atorkhov/nunjucks,rhengles/nunjucks,mozilla/nunjucks,santoshsahoo/nunjucks,pardo/nunjucks,internalfx/nunjucks,campbellwmorgan/nunjucks,devoidfury/nunjucks,vigetlabs/nunjucks,node-modules/nunjucks,robgraeber/nunjucks,pardo/nunjucks,AaronO/nunjucks,internalfx/nunjucks