Adds a new function to display content of a variable when the print is done ( console.log does not always display this value )

Fixes bug in Safari and Chrome as event object has not the same structure than Firefox's one. Test has been removed, result seemed identical without it

Adds samp directory to static directories available from nodejs, adds it inside the yafitsv container where symbolic link was missing

to follow what is written in documentation

Fixes a problem with non-squared images containing nan values as a padding that matplotlib does not like when creating an image

Fixes a problem on image generated with mathplotlib : pixel representation was not 1:1 with provided pixel array

manually adding a new line in the table and coordinates rounding inconsistencies

Lines can be added manually, this parts still requires testing

This reverts commit f34427d5.