add Sqlite query objects, also get rid of some duplication via creating LimitTrait, OffsetTrait and OrderByTrait
Merge pull request #52 from MAXakaWIZARD/develop

Sqlite-specific query objects
point travis status badge to develop branch
refactoring - remove query indents duplication via pulling up string properties to AbstractQuery
typo fix in Select query test
add Query\Pgsql\Delete with RETURNING feature
add Query\Pgsql\Insert with RETURNING feature
add Query\Pgsql\Update with RETURNING feature
add Query\Pgsql\Select with no features yet, but for complete picture for PgSQL
Merge pull request #53 from MAXakaWIZARD/pr-pgsql-query-objects

PgSQL Query objects
doc blocks fix (invalid return types)
add tests for query objects creation methods of AbstractConnection class
return specific query type from connection e.g. Mysql connection will return Query\Mysql\Select instead of Query\Select and so on
doc blocks fix
tests for query objects creation fix - check exact class name (instanceof is not suitable here)
restore original query creating methods on connection,
add specific methods for creating query objects
Merge pull request #54 from MAXakaWIZARD/pr-return-specific-query-type-from-connection

Return specific query type from connection
refactor @MAXakaWIZARD work to remove properties and use the indent methods consistently; also, rename from getWhateverStatement() to getWhateverClause()
increase to 100% coverage
update changes