De-global Tiny -> tiny

Still depends on a single global World, however.

main.lua

@@ -1,9 +1,9 @@
 require("tiny-debug")
-Tiny = require("lib/tiny")
 require("utils")
 require("tiny-tools")
 
-World = Tiny.world()
+local tiny = require("lib/tiny")
+World = tiny.world()
 
 require("generated/filter-types")
 require("generated/assets")

tiny-tools.lua

@@ -1,3 +1,5 @@
+local tiny = require("lib/tiny")
+
 ---@generic T
 ---@param shape T | fun()
 ---@param process fun(entity: T, dt: number, system: System) | nil
@@ -8,7 +10,7 @@ function filteredSystem(name, shape, process, compare)
     assert(type(shape) == "table" or type(shape) == "function")
     assert(process == nil or type(process) == "function")
 
-    local system = compare and Tiny.sortedProcessingSystem() or Tiny.processingSystem()
+    local system = compare and tiny.sortedProcessingSystem() or tiny.processingSystem()
     system.compare = compare
     system.name = name
     if type(shape) == "table" then
@@ -22,7 +24,7 @@ function filteredSystem(name, shape, process, compare)
                 keys[#keys + 1] = key
             end
         end
-        system.filter = Tiny.requireAll(unpack(keys))
+        system.filter = tiny.requireAll(unpack(keys))
     elseif type(shape) == "function" then
         system.filter = shape
     end