v.0.0.8

• add possibility to read short format of .TextGrids and fix textgrid_to_df() and tier_to_df() functions
• add encoding, formant_df, intensity, picth and pitch_range arguments to the draw_sound() function
• add the formant_to_df() function
• add the picth_to_df() function
• add the intensity_to_df() function
• add an argument external to the create_presentation() function in order to mark external images or gifs
• remove all encoding arguments and replace it with encoding autodetection from uchardet (thanks to Artem Klevtsov for help)
• add autonumber, loging and missing arguments to rename_soundfiles() function (thanks to Niko Partanen)
• a lot of minor style changes (thanks to Jonathan Keane)
• add the create_empty_textgrid() function (thanks to Niko Partanen)
• add the data_manipulation_with_tidyverse vignette (thanks to Niko Partanen)
• add the concatenate_textgrids() function
• add the read_from_folder() function and remove ..._from_folder arguments
• pass rOpenSci review! Move tutorial to https://ropensci.github.io/phonfieldwork/