Add completion argument to collection view methods.
Add completion argument to collection view methods.

sportlabsMike/Bond,slangley/Bond,Touchwonders/Bond,brightify/Bond,johndpope/Bond,sunfei/Bond,Dev1an/Bond,spire-inc/Bond,REXLabsInc/Bond,tonyxiao/Bond,Touchwonders/Bond,tuanphung/Bond,hyperconnect/Bond,jsiffels/Bond,tonyxiao/Bond,ushisantoasobu/Bond,spire-inc/Bond,tuanphung/Bond,ReactiveKit/Bond,ushisantoasobu/Bond,wangmb/Bond,wangmb/Bond,AlexSeverinov/Bond,REXLabsInc/Bond,SwiftBond/Bond,creisterer-db/Bond,wangmb/Bond,slangley/Bond,adly-holler/Bond,jsiffels/Bond,sunfei/Bond,Adlai-Holler/Bond,brightify/Bond,hyperconnect/Bond,danthorpe/Bond,adamcin/Bond,morizotter/Bond,adly-holler/Bond,mpon/Bond,sanyaade-iot/Bond,ArthurKK/Bond,sanyaade-iot/Bond,hyperconnect/Bond,Evgeniy-Odesskiy/Bond,giancarloandroid/Bond,johndpope/Bond,tuanphung/Bond,slangley/Bond,sunfei/Bond,tonyarnold/Bond,FiRiN59/Bond,sanyaade-iot/Bond,Evgeniy-Odesskiy/Bond,creisterer-db/Bond,SwiftBond/Bond,giancarloandroid/Bond,johndpope/Bond,tonyarnold/Bond,ArthurKK/Bond,sportlabsMike/Bond,mpon/Bond,LeeroyDing/Bond,adly-holler/Bond,Dev1an/Bond,morizotter/Bond,FiRiN59/Bond,Dev1an/Bond,danthorpe/Bond,danthorpe/Bond,creisterer-db/Bond,LeeroyDing/Bond,joshavant/Bond,adamcin/Bond,LeeroyDing/Bond,Adlai-Holler/Bond,aandr/Bond,AlexSeverinov/Bond,aandr/Bond,Adlai-Holler/Bond,joshavant/Bond,adamcin/Bond,mpon/Bond,ReactiveKit/Bond,ArthurKK/Bond