:bug: :art: Fixed toSSML bug, improved usage of the SpeechBuilder
:bug: :art: Fixed toSSML bug, improved usage of the SpeechBuilder

&-Sign seems not to be valid ssml. Replaces it with 'and'. Temporary solution. Has to be fixed for other languages.
build() at the end of the SpeechBuilder object is not needed anymore

jovotech/jovo-framework-nodejs,omenocal/jovo-framework-nodejs,jovotech/jovo-framework-nodejs