v1.2.3

Fix issues, add and update several functions:

• Fix bug in impact_detections() function

• Add Area of motion (AoM) in the motiondata() and motionplots() functions

• Add audio_descriptors parameter to the motionplots() function

• Add info() function to retrieve technical metadata from video, audio and format

• Update nth_frames parameter in grid() function

• Update data storage in blur_faces() function

• Update waveform() and spectrogram() functions and add a raw plotting parameter