Update CHANGES.txt accordingly to 0.50.2 release
Update CHANGES.txt accordingly to 0.50.2 release

adrpar/crate,aslanbekirov/crate,EvilMcJerkface/crate,puneetjaiswal/crate,gmrodrigues/crate,adrpar/crate,gmrodrigues/crate,gmrodrigues/crate,aslanbekirov/crate,crate/crate,crate/crate,crate/crate,EvilMcJerkface/crate,puneetjaiswal/crate,EvilMcJerkface/crate,adrpar/crate,aslanbekirov/crate,puneetjaiswal/crate