fix: use succulent in preload, remove string split from preload

preload.lua

@@ -3,6 +3,7 @@
 local fs = require 'fs'
 local commander = require 'commander'
 local bait = require 'bait'
+require 'succulent' -- Function additions
 local oldDir = hilbish.cwd()
 
 local shlvl = tonumber(os.getenv 'SHLVL')
@@ -131,24 +132,6 @@ do
 	end)
 end
 
--- Function additions to Lua standard library
-function string.split(str, delimiter)
-	local result = {}
-	local from = 1
-
-	local delim_from, delim_to = string.find(str, delimiter, from)
-
-	while delim_from do
-		table.insert(result, string.sub(str, from, delim_from - 1))
-		from = delim_to + 1
-		delim_from, delim_to = string.find(str, delimiter, from)
-	end
-
-	table.insert(result, string.sub(str, from))
-
-	return result
-end
-
 -- Hook handles
 bait.catch('command.not-found', function(cmd)
 	print(string.format('hilbish: %s not found', cmd))