Unicode characters in variables

[Tomas Wallentinus]

If you use unicode characters in variables the workflow crashes. I don’t know if it's when they are entered in the workflow or when the script tries to run.

[timothy perfitt]

fixed Issue #556: Unicode characters in variables

→ <<cset 2c7791af31c3>>

[timothy perfitt]

added filter to prevent adding non-ascii characters. Not optimal, but python-obj that Imagr is written in is horrible with unicode. Sorry.

[timothy perfitt]

please test in 35148 or later