Update PBJVision.podspec to 0.4.2
Update PBJVision.podspec to 0.4.2

Maciej-Matuszewski/PBJVision,yunarta/PBJVision,zuoguoqing/PBJVision,Raztor0/PBJVision,Bijiabo/PBJVision,shiflymoon/PBJVision,shenyuan000/PBJVision,aaronsakowski/PBJVision,sebyddd/PBJVision,piemonte/PBJVision,jonesgithub/PBJVision