[SQLITE] Remove primary key auto quote

Should be updating $this->_keywords.

Prevent repeat instantiation of reserved keywords class

Fix the repeat calling of getReservedKeywordsClass() that causes a considerable slow down when running lots of migrations.

added simple_array type

[Platform] Allow a string to be passed as type

Fixed conditional expression

Update license for Composer

changed some phpdoc's,  set correct namespaces and types

No bug. Respect the case used in the interface

Dbal 264

Added missing regex delimiters in the testsuite

Fixed the doctrine/common constraint and added the branch-alias

The AbstractSchemaManager expects getting the regex with its
delimiters since 8beb732f but the tests were not updated.

[MYSQLI] Fixed infinite loop in fetchAll()