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
Merge pull request #695 from fabschurt/fix-doc-typo

[Documentation] Add missing quotes at the end of literal strings
fix column comment lifecycle