Update README.md

Bump version

update change log [ci skip]

Merge pull request #470 from phalcon/3.5.x

v3.5.0

Merge pull request #436 from phalcon/3.x

3.x

Merge pull request #424 from phalcon/3.x

3.4.0

Merge pull request #410 from phalcon/3.x

3.3.2

Merge pull request #407 from phalcon/3.x

3.3.1

Merge pull request #404 from sergeyklay/3.x

Fixed sending emails

Next stable release