move_subtitles function moves all subtitles forward or backward by a
specified time
A vignette presenting the package main functions
subtools 1.0
Complete change of the API
subtools 0.2
Added a NEWS.md file to track changes to the
package.
Added as_subtitle() to enable passing in of a character
vector as a subtitle and coerce it into a subtitle object. Refactored
read.subtitles() to use the as_subtitles
generic.