use physfs; proper namespace resolution

prosperon.cm

@@ -5,10 +5,11 @@ var prosperon = {}
 var video = use('sdl_video')
 var surface = use('surface')
 var sdl_gpu = use('sdl_gpu')
-var io = use('io')
+var io = use('cellfs')
 var geometry = use('geometry')
 var blob = use('blob')
 var imgui = use('imgui')
+var utf8 = use('utf8')
 
 var os = use('os')
 
@@ -221,10 +222,10 @@ function make_shader(sh_file)
 {
   var file = `shaders/${shader_type}/${sh_file}.${shader_type}`
   if (shader_cache[file]) return shader_cache[file]
-  var refl = json.decode(io.slurp(`shaders/reflection/${sh_file}.json`))
+  var refl = json.decode(utf8.decode(io.slurp(`shaders/reflection/${sh_file}.json`)))
   
   var shader = {
-    code: io.slurpbytes(file),
+    code: io.slurp(file),
     format: shader_type,
     stage: sh_file.endsWith("vert") ? "vertex" : "fragment",
     num_samplers: refl.separate_samplers ? refl.separate_samplers.length : 0,
@@ -483,7 +484,7 @@ function pack_model_buffer(material) {
 var imgui = use('imgui')
 imgui.init(window, device)
 
-var io = use('io');
+var io = use('cellfs');
 var rasterize = use('rasterize');
 var time = use('time')
 var tilemap = use('tilemap')

sound.cm

@@ -1,6 +1,6 @@
 var soloud = use('soloud')
-var tween  = use('tween')
-var io     = use('io')
+var tween  = use('prosperon/tween')
+var io     = use('cellfs')
 var res    = use('resources')
 var doc    = use('doc')