Refactored to use CyberarmEngine::Window#delta_time instead of our reimplementing it, add WIP frame timing to Overlay using CyberarmEngine::Stats.frames data

Gemfile.lock

@@ -1,8 +1,8 @@
 GIT
   remote: https://github.com/cyberarm/cyberarm_engine
-  revision: d1d87db070578fefe97f275b63157b4212a44a89
+  revision: 72037efc735089cf1ff4b56ec57eb793699b27c6
   specs:
-    cyberarm_engine (0.22.0)
+    cyberarm_engine (0.23.0)
       excon (~> 0.88)
       gosu (~> 1.1)
       gosu_more_drawables (~> 0.3)
@@ -20,15 +20,15 @@ GIT
 GEM
   remote: https://rubygems.org/
   specs:
-    concurrent-ruby (1.1.10)
+    concurrent-ruby (1.2.2)
     cri (2.1.0)
-    excon (0.96.0)
+    excon (0.99.0)
     gosu (1.4.5)
     gosu_more_drawables (0.3.1)
     i18n (1.12.0)
       concurrent-ruby (~> 1.0)
     mini_portile2 (2.8.1)
-    nokogiri (1.14.0.rc1)
+    nokogiri (1.14.2)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     ocra (1.3.11)
@@ -54,4 +54,4 @@ DEPENDENCIES
   rubyzip
 
 BUNDLED WITH
-   2.4.1
+   2.4.8