Add check for 'json' php module. GH issue #1601
Add check for 'json' php module. GH issue #1601

LeeThompson/spotweb,LeeThompson/spotweb,isuftin/spotweb-1,the-darkvoid/spotweb,Spotweb/Spotweb,GeoffreyDijkstra/spotweb,gijsroge/spotweb,tswestendorp/spotweb,mesa57/spotweb,Spotweb/Spotweb,rodikal/Spotweb,riksmith/Spotweb,riksmith/Spotweb,mbirth/spotweb,mesa57/spotweb,the-darkvoid/spotweb,isuftin/spotweb-1,gijsroge/spotweb,mbirth/spotweb,tswestendorp/spotweb,rodikal/Spotweb,GeoffreyDijkstra/spotweb