updating changelog for  0.7.6
updating changelog for  0.7.6

kejkz/holmium.core,tjlee/holmium.core,kejkz/holmium.core,alisaifee/holmium.core,jlecount-sungevity/holmium.core,tjlee/holmium.core,alisaifee/holmium.core,tjlee/holmium.core,kejkz/holmium.core,tjlee/holmium.core,jlecount-sungevity/holmium.core,alisaifee/holmium.core,jlecount-sungevity/holmium.core,jlecount-sungevity/holmium.core,alisaifee/holmium.core,kejkz/holmium.core