v0.5.8

• fixed resolution issue on details dialog, draft for more details (#296, #268, #228)
• added setting to cahnge the number of columns (Settings -> Multicolumn)
• added feature to pin albums on top (select one folder to pin)
• added sorting mode 'Numeric' #319 (sort images looking for numers on the path)
• workaround for operations from and to sd-card
• edited media are saved on a new file
• general speed improvements
• fixed some minor bugs and a lot of clean