Create README.md
Update README.md
fix wrong page on site.
Merge branch 'master' of github.com:objectquery/objectquery
add test for date support.
merget fix on path generation
updated roadmap
add support to subquery in having operator.
Merge branch 'master' into nested-query
set version to 1.5.0
add exception on add of projection on a subquery.
implemented and tested join method.
improvements on join implementation.
improvements on join implementation.