Datadigitizer

* Data table for visualizing the extracted data values as a toplevel window.
* Documentation bug fixes and improvements.
* Data are visible as an array.

Full changelog available at [github](https://github.com/MilanSkocic/pydatadigitizer/releases)

* Documentation minor fixes.
* Explicit internal functions for converting (i,j) array indexes to (xpix, ypix) graph indexes
* Added ``data folder`` as an option for folder profile.

The data table will be visible in version 1.1 during the process of drawing data
from the shortcut <Ctrl-t> or through the menu Data -> View Data.

The full data array is now saved instead of (x, y) columns only.
This changes does not bring any compatibility issue but it is worth mentionning
that the format has changed.

Full changelog available at [github](https://github.com/MilanSkocic/pydatadigitizer/releases)

* Documentation minor fixes.

Full changelog available at [github](https://github.com/MilanSkocic/pydatadigitizer/releases)

Initial release with basic features:

* Import image
* Set scale
* Multiple selection of data points
* Compute and save data

Full changelog available at [github](https://github.com/MilanSkocic/pydatadigitizer/releases)