added some libraries

res/scripts/stdlib.lua

@@ -21,7 +21,7 @@ function parse_path(path)
 end
 
 package = {
-    loaded={}
+    loaded = {}
 }
 local __cached_scripts = {}
 
@@ -285,7 +285,13 @@ entities.get_all = function(uids)
     end
 end
 
-math.randomseed(time.uptime()*1536227939)
+------------------ sekta helpers
+
+require("core:internal/math")
+require("core:internal/string")
+require("core:internal/table")
+
+math.randomseed(time.uptime() * 1536227939)
 
 -- --------- Deprecated functions ------ --
 block_index = block.index