Update README.md
Merge pull request #58 from hura/patch-4

Update README.md
Update createindex.md
Merge pull request #59 from hura/patch-5

Update createindex.md
Update delete.md
Update delete.md
Added delete index DSL
Update README.md
Update delete.md
Updated scoverage plugin to latest version
Merge pull request #60 from hura/patch-5

Update delete.md
Fix: varargs only work with parentheses
Merge pull request #61 from hura/patch-6

Fix: varargs only work with parentheses
Add support for index status request
Document index status query