2.5.dev1 release

Yes sorry, this time, this is the last pre-release before stable version.

added environ variable 'KANDINSKY_SCREEN_SIZE', to change size of screen
fixed import catcher not working when testing depencies
fixed error raised when color method used like this: color(0, 0, 0)
added option to zoom the screen at x1 to x4
also, new environ variable ('KANDINSKY_ZOOM_RATIO') and new option in gui, added for this feature
changed disposition of gui options
forgot to create new way to get color with ratio, like this color("0.3")
forgot some colors name
added color bit expension of epsilon (https://github.com/numworks/epsilon/blob/master/kandinsky/include/kandinsky/color.h#L47)
remaked environ verification
added new shortcut commands
fixed os-only features

TODO:
library don't work on MacOS
calculate speed for upsilon and omega methods

Note:
also, i forgot to publish changes after publish branch to a create new. so is normal if the branch is named "2.5.dev2"