Version 0.58 -> Version 0.59
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-> Sometimes the first line was gone after a file has been opened. (Fixed)
-> An empty document should have been automatically closed when a new one
   was opened. (Fixed)
-> F5 now compiles + runs the executable.
-> Existing documents will no longer ask for where to save the file.
-> The expressions UNSIGNED and #DEFINE have been added to the list of keywords.
-> NULL is now being displayed in red.