Immanuel/nnn: My build of nnn with minor changes - nnn

My build of nnn with minor changes

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Vidar Holen 1bf49c80e7 Some of the shell script fixes as per discussion (#389 ) * Improved completion support for files with spaces Filenames with spaces, both generally and for session names, will now complete as expected. * Misc shell script improvements See discussion on: `1cca9e4b72`		vor 5 Jahren
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bash	Some of the shell script fixes as per discussion (#389)	vor 5 Jahren
fish	Fix Fish autocomplete suggestions for sessions	vor 5 Jahren
zsh	Update key collision detection	vor 5 Jahren