textdata 0.3.0

• lexicon_nrc_eil() has been added to give access to the NRC Emotion Intensity Lexicon (aka Affect Intensity Lexicon) v0.5.
• lexicon_nrc_vad() has been added to give access to the The NRC Valence, Arousal, and Dominance Lexicon.
• The argument clean have been added to all functions to allow deletion of intermediate files.
• An optional information prompt is implemented. This will be turned off by default and turned on by original authors request.
• dataset_nrc() got improved url for faster and more reliable downloads.