update CHANGELOG to include fixed issues for 0.5.1 and 0.5.1.1
update CHANGELOG to include fixed issues for 0.5.1 and 0.5.1.1

riseuplabs/crabgrass,riseuplabs/crabgrass,riseuplabs/crabgrass,riseuplabs/crabgrass,riseuplabs/crabgrass,riseuplabs/crabgrass,riseuplabs/crabgrass