Version 2.0.6 Stable

• Builds in TravisCI now uses Docker to perform faster builds
• Added Http\Response::setCache() to easily set cache headers.
• When a beanstalkd connection is closed the adapter does not produce a notice anymore
• Default separator in Text::increment is now _ (underscore)
• Using tel_field in Volt now generates correct PHP code
• SQL generated by PostgreSQL dialect in dropTable and dropView is now correct
• Errors generated in Cache\Backend\Memcached now shows the result code to easily debug problems
• Fixed LIMIT/OFFSET SQL generation in Mvc\Model\Query\Builder
• Fixed Logger\Formatter\Line to match 1.3.x behavior
• Fixed warning when castOnHydrate' is true #10648
• Added name before int/float/numeric/string/bool/null/other variables in Debug\Dump::output
• Now Validation\Validator\Identical allows both 'accepted' and 'value' as value to keep backwards compatibility
• Added \Phalcon\Mvc\Model\MetaData\Redis adapter.
• Added Redis Session adapter
• Fixed bug in Mvc\Model\Criteria::fromInput unallowing it to use renamed columns
• Fixed bug in Http\Request getRawBody()/getPut() clears input buffer #10694