Ran bundle install

Gemfile.lock

@@ -1,19 +1,33 @@
 GEM
   remote: https://rubygems.org/
   specs:
+    basiccache (1.0.0)
+    curb (0.8.8)
+    githubchart (1.0.1)
+      githubstats (~> 1.1.0)
+      svgplot (~> 0.2.0)
+    githubstats (1.1.0)
+      basiccache (~> 1.0.0)
+      curb (~> 0.8.6)
+      nokogiri (~> 1.6.5)
+    mini_portile (0.6.2)
+    nokogiri (1.6.6.2)
+      mini_portile (~> 0.6.0)
     rack (1.6.4)
     rack-protection (1.5.3)
       rack
     sinatra (1.4.6)
       rack (~> 1.4)
       rack-protection (~> 1.4)
       tilt (>= 1.3, < 3)
+    svgplot (0.2.0)
     tilt (2.0.1)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
+  githubchart
   sinatra
 
 BUNDLED WITH