updates the changelog
updates the changelog

enahum/savon,viniciusnz/savon,advishnuprasad/savon,savonrb/savon,rtrepo/savon,mpangrazzi/savon,Eric-Guo/savon,billr578/savon,oafridi/savon,BlaneCordes/savon_vertex,SICSoftwareGmbH/savon,latortuga/savon,zerobatu/savon