remove pl library

lib/utils.lua

@@ -0,0 +1,46 @@
+-- Standard AIO Launcher library
+
+function string:split(sep)
+    if sep == nil then
+        sep = "%s"
+    end
+
+    local t={}
+
+    for str in string.gmatch(self, "([^"..sep.."]+)") do
+        table.insert(t, str)
+    end
+
+    return t
+end
+
+function string:replace(from, to)
+    return self:gsub(from, to)
+end
+
+function get_index(tab, val)
+    for index, value in ipairs(tab) do
+        if value == val then
+            return index
+        end
+    end
+
+    return 0
+end
+
+function get_key(tab, val)
+    for index, value in pairs(tab) do
+        if value == val then
+            return index
+        end
+    end
+    
+    return 0
+end
+
+function round(x, n)
+    local n = math.pow(10, n or 0)
+    local x = x * n
+    if x >= 0 then x = math.floor(x + 0.5) else x = math.ceil(x - 0.5) end
+    return x / n
+end