Formatting away spaces causes printing bug

[NicklasBoto]

When the pre-parse formatter runs, it removes all whitespace from the program. This causes a bug where if you try to print a space it will crash.

```.a. .bi == FORMAT ==> ```.a..bi

[NicklasBoto]

This causes

 *** Exception: 
Parse Error in "getE":
expecting "s", "k", "i", or "r"
got .  
CallStack (from HasCallStack):
  error, called at /home/nicbot/Programming/Unlambda/src/Parser.hs:120:12 in main:Parser