Clean output directory before build

lib/petrify.rb

@@ -43,9 +43,9 @@ module Petrify
 
   def self.setup
     # Recursively delete working directory to ensure no redundant files are left behind from previous builds.
-    # FileUtils.rm_rf(@working_dir)
+    # But preserve dot-files (especially .git directory)
+    FileUtils.rm_r(Dir.glob(File.join(@@working_dir, '*')))
     Dir.mkdir(@@working_dir) unless File.directory?(@@working_dir)
-    # Dir.chdir(@working_dir)
 
     # Copy `public` dir to output dir
     FileUtils.copy_entry('public', @@working_dir)

lib/petrify/version.rb

@@ -1,3 +1,3 @@
 module Petrify
-  VERSION = "0.1.0"
+  VERSION = "0.2.0"
 end