implement count for PDO MySQL
improve sphinx filters to support AND|NOT and flat groups
add suggest for sphinx-api package into composer
Merge pull request #23 from yudina-m/develop

Sphinx setOrder fix
sphinx complex logic filters test
Merge pull request #24 from Serjick/sphinx

Sphinx filters
Add group data format to PDO Arr
Fix NL
Merge pull request #25 from satan85/master

Add group data format to PDO Arr
implement count_total for PDO MySQL
remove not used method
Merge pull request #26 from Serjick/pdo

PDO counts
query status constants
Merge pull request #29 from Serjick/develop

Query status constants
add http resource through curl
add parent for http queries and get query
add json http responses hash formater
add xml attributes http responses hash formater
optimize http json hash formater valid check
add http formaters tests