updated version to v0.12
updated version to v0.12

jasonmead/simple-json,suaff/simple-json,ndevenish/simple-json,facebook-csharp-sdk/simple-json,facebook-csharp-sdk/simple-json,jasonmead/simple-json,suaff/simple-json,facebook-csharp-sdk/simple-json,suaff/simple-json,ndevenish/simple-json,ndevenish/simple-json,jasonmead/simple-json