Added function for logging shard tracker
Added function for logging shard tracker

braydonf/libstorj-c,aleitner/libstorj-c,braydonf/libstorj,braydonf/libstorj,Storj/libstorj-c,aleitner/libstorj-c,Storj/libstorj-c,braydonf/libstorj-c