Fix JSON serialization of ConstraintSolver statistics
Fix JSON serialization of ConstraintSolver statistics

natecook1000/swift,codestergit/swift,natecook1000/swift,bitjammer/swift,manavgabhawala/swift,austinzheng/swift,gribozavr/swift,gottesmm/swift,frootloops/swift,Jnosh/swift,codestergit/swift,return/swift,OscarSwanros/swift,xwu/swift,return/swift,frootloops/swift,manavgabhawala/swift,brentdax/swift,CodaFi/swift,tinysun212/swift-windows,xwu/swift,CodaFi/swift,gottesmm/swift,sschiau/swift,return/swift,jopamer/swift,gmilos/swift,OscarSwanros/swift,gmilos/swift,calebd/swift,sschiau/swift,tinysun212/swift-windows,aschwaighofer/swift,nathawes/swift,tardieu/swift,manavgabhawala/swift,sschiau/swift,milseman/swift,lorentey/swift,aschwaighofer/swift,danielmartin/swift,jopamer/swift,xwu/swift,JaSpa/swift,alblue/swift,shajrawi/swift,calebd/swift,stephentyrone/swift,stephentyrone/swift,JGiola/swift,frootloops/swift,airspeedswift/swift,jckarter/swift,practicalswift/swift,allevato/swift,tardieu/swift,sschiau/swift,JaSpa/swift,shajrawi/swift,hooman/swift,huonw/swift,practicalswift/swift,zisko/swift,gregomni/swift,devincoughlin/swift,frootloops/swift,natecook1000/swift,Jnosh/swift,ahoppen/swift,atrick/swift,tjw/swift,shajrawi/swift,devincoughlin/swift,airspeedswift/swift,zisko/swift,gottesmm/swift,uasys/swift,frootloops/swift,airspeedswift/swift,OscarSwanros/swift,karwa/swift,austinzheng/swift,calebd/swift,CodaFi/swift,shahmishal/swift,tinysun212/swift-windows,lorentey/swift,harlanhaskins/swift,felix91gr/swift,jtbandes/swift,gregomni/swift,milseman/swift,uasys/swift,apple/swift,tkremenek/swift,milseman/swift,roambotics/swift,shajrawi/swift,bitjammer/swift,airspeedswift/swift,uasys/swift,gmilos/swift,alblue/swift,brentdax/swift,djwbrown/swift,JaSpa/swift,swiftix/swift,arvedviehweger/swift,bitjammer/swift,atrick/swift,OscarSwanros/swift,felix91gr/swift,allevato/swift,tkremenek/swift,hooman/swift,gribozavr/swift,gregomni/swift,aschwaighofer/swift,codestergit/swift,apple/swift,practicalswift/swift,tjw/swift,jmgc/swift,uasys/swift,roambotics/swift,xwu/swift,shahmishal/swift,danielmartin/swift,nathawes/swift,huonw/swift,gregomni/swift,airspeedswift/swift,roambotics/swift,practicalswift/swift,benlangmuir/swift,return/swift,glessard/swift,Jnosh/swift,Jnosh/swift,parkera/swift,codestergit/swift,tkremenek/swift,shajrawi/swift,deyton/swift,amraboelela/swift,arvedviehweger/swift,swiftix/swift,jmgc/swift,austinzheng/swift,gregomni/swift,hooman/swift,amraboelela/swift,stephentyrone/swift,zisko/swift,amraboelela/swift,JaSpa/swift,felix91gr/swift,atrick/swift,jopamer/swift,harlanhaskins/swift,manavgabhawala/swift,djwbrown/swift,tinysun212/swift-windows,roambotics/swift,xedin/swift,return/swift,devincoughlin/swift,manavgabhawala/swift,practicalswift/swift,deyton/swift,huonw/swift,jmgc/swift,gmilos/swift,xedin/swift,zisko/swift,hooman/swift,apple/swift,djwbrown/swift,shahmishal/swift,arvedviehweger/swift,uasys/swift,nathawes/swift,ahoppen/swift,karwa/swift,shajrawi/swift,JGiola/swift,devincoughlin/swift,benlangmuir/swift,bitjammer/swift,xedin/swift,alblue/swift,jckarter/swift,rudkx/swift,gmilos/swift,gottesmm/swift,benlangmuir/swift,jtbandes/swift,jmgc/swift,amraboelela/swift,karwa/swift,tkremenek/swift,stephentyrone/swift,zisko/swift,arvedviehweger/swift,jopamer/swift,tardieu/swift,gribozavr/swift,lorentey/swift,djwbrown/swift,devincoughlin/swift,sschiau/swift,CodaFi/swift,tardieu/swift,shahmishal/swift,nathawes/swift,CodaFi/swift,apple/swift,codestergit/swift,gottesmm/swift,stephentyrone/swift,airspeedswift/swift,atrick/swift,natecook1000/swift,swiftix/swift,gottesmm/swift,harlanhaskins/swift,shajrawi/swift,glessard/swift,shahmishal/swift,ahoppen/swift,roambotics/swift,lorentey/swift,tjw/swift,felix91gr/swift,danielmartin/swift,shahmishal/swift,codestergit/swift,tkremenek/swift,tardieu/swift,felix91gr/swift,lorentey/swift,rudkx/swift,OscarSwanros/swift,jckarter/swift,CodaFi/swift,xedin/swift,shahmishal/swift,xwu/swift,ahoppen/swift,stephentyrone/swift,hughbe/swift,bitjammer/swift,swiftix/swift,gregomni/swift,OscarSwanros/swift,allevato/swift,harlanhaskins/swift,tinysun212/swift-windows,jmgc/swift,return/swift,practicalswift/swift,devincoughlin/swift,deyton/swift,arvedviehweger/swift,xedin/swift,bitjammer/swift,jtbandes/swift,hughbe/swift,xedin/swift,swiftix/swift,shajrawi/swift,deyton/swift,tkremenek/swift,djwbrown/swift,hooman/swift,tardieu/swift,sschiau/swift,xedin/swift,frootloops/swift,devincoughlin/swift,karwa/swift,austinzheng/swift,hughbe/swift,hooman/swift,apple/swift,jtbandes/swift,calebd/swift,rudkx/swift,brentdax/swift,JGiola/swift,milseman/swift,airspeedswift/swift,gribozavr/swift,allevato/swift,gottesmm/swift,tjw/swift,austinzheng/swift,JaSpa/swift,jckarter/swift,danielmartin/swift,amraboelela/swift,devincoughlin/swift,hooman/swift,huonw/swift,atrick/swift,alblue/swift,brentdax/swift,nathawes/swift,tjw/swift,felix91gr/swift,jmgc/swift,aschwaighofer/swift,aschwaighofer/swift,alblue/swift,shahmishal/swift,austinzheng/swift,karwa/swift,gmilos/swift,roambotics/swift,JGiola/swift,benlangmuir/swift,glessard/swift,benlangmuir/swift,austinzheng/swift,frootloops/swift,huonw/swift,danielmartin/swift,bitjammer/swift,harlanhaskins/swift,benlangmuir/swift,calebd/swift,JaSpa/swift,hughbe/swift,hughbe/swift,deyton/swift,glessard/swift,glessard/swift,milseman/swift,ahoppen/swift,lorentey/swift,calebd/swift,danielmartin/swift,deyton/swift,allevato/swift,danielmartin/swift,karwa/swift,karwa/swift,hughbe/swift,aschwaighofer/swift,parkera/swift,tjw/swift,arvedviehweger/swift,uasys/swift,parkera/swift,brentdax/swift,djwbrown/swift,calebd/swift,karwa/swift,allevato/swift,xedin/swift,swiftix/swift,jtbandes/swift,rudkx/swift,CodaFi/swift,alblue/swift,jckarter/swift,Jnosh/swift,hughbe/swift,codestergit/swift,gribozavr/swift,manavgabhawala/swift,jtbandes/swift,tjw/swift,milseman/swift,brentdax/swift,ahoppen/swift,sschiau/swift,return/swift,stephentyrone/swift,deyton/swift,gribozavr/swift,rudkx/swift,huonw/swift,JGiola/swift,tkremenek/swift,natecook1000/swift,practicalswift/swift,jtbandes/swift,tinysun212/swift-windows,parkera/swift,zisko/swift,JGiola/swift,gribozavr/swift,manavgabhawala/swift,milseman/swift,glessard/swift,zisko/swift,arvedviehweger/swift,atrick/swift,parkera/swift,djwbrown/swift,xwu/swift,sschiau/swift,parkera/swift,jckarter/swift,huonw/swift,JaSpa/swift,jmgc/swift,alblue/swift,practicalswift/swift,allevato/swift,gribozavr/swift,brentdax/swift,parkera/swift,nathawes/swift,harlanhaskins/swift,jckarter/swift,felix91gr/swift,nathawes/swift,natecook1000/swift,apple/swift,jopamer/swift,harlanhaskins/swift,amraboelela/swift,rudkx/swift,aschwaighofer/swift,natecook1000/swift,amraboelela/swift,lorentey/swift,gmilos/swift,jopamer/swift,OscarSwanros/swift,jopamer/swift,uasys/swift,xwu/swift,Jnosh/swift,tardieu/swift,Jnosh/swift,parkera/swift,lorentey/swift,tinysun212/swift-windows,swiftix/swift