Updated readme 

Merge pull request #22 from tobozo/1.4.2 backported ArduinoJson 6.x

Merge pull request #21 from tobozo/1.4.1 1.4.1

Merge pull request #16 from tobozo/1.4.0 1.4.0

Merge pull request #15 from tobozo/1.3.0 i18n basics + teensy core support

Merge pull request #13 from tobozo/1.2.9 1.2.9

Merge pull request #9 from tobozo/1.2.8 pure libyaml YAML stream to JSON stream conversion

Merge pull request #8 from tobozo/1.2.7 1.2.7

Merge pull request #7 from tobozo/1.2.6 fixes mem leaks + implements multiline

Merge pull request #6 from tobozo/1.2.5 1.2.5