Merge branch 'develop'
Merge branch 'develop'
Merge remote-tracking branch 'origin/master'
Merge remote-tracking branch 'origin/master'

Conflicts:
	README.md
	package.json
Merge remote-tracking branch 'origin/master'

Conflicts:
	README.md
	package.json
Merge remote-tracking branch 'origin/master'
Added simpleExecute in queryExecutor