avoid recursive quoteIdentifier call

each $part does not contain ".", so quoteSingleIdentifier may be called directly thus avoiding recursive strpos checks.
Merge pull request #677 from pine3ree/patch-1

avoid recursive quoteIdentifier call
Clean up unused uses
Merge pull request #678 from fejese/cleanup-uses

Clean up unused uses
DBAL-774 - added failing test for parsing order of joins with multiple on conditions
Added group annotation
fix parsing order of joins
Merge pull request #679 from deeky666/DBAL-774

[DBAL-774] Fix QueryBuilder parsing order of joins
Changed the composer constraint to allow Common 2.5
Merge pull request #684 from stof/patch-1

Changed the composer constraint to allow Common 2.5
add test for explicit positional parameter keys
Merge pull request #686 from deeky666/additional-test-sqlparserutil

Add test for explicit positional parameter keys in SQLParserUtils
Fixed expanding positional parameters which do not start from 0
Merge pull request #681 from hason/utils

Fixed expanding positional parameters which do not start from 0
Fixing default timezone for tests, as travis keeps failing due to travis-ci/travis-ci#2523
fix renaming column with default value on SQL Server
fix column comments containing string literal chars on SQL Server
Merge pull request #694 from deeky666/DBAL-1011

[DBAL-1011] Fix column comments containing string literal chars on SQL Server
Merge pull request #693 from deeky666/DBAL-1010

[DBAL-1010] Fix renaming column with default value on SQL Server
Add missing quotes at the end of literal strings