Rakefile in rest-firebase-1.0.3 vs Rakefile in rest-firebase-1.1.0

@@ -1,23 +1,25 @@
 
 begin
   require "#{dir = File.dirname(__FILE__)}/task/gemgem"
 rescue LoadError
-  sh 'git submodule update --init'
+  sh 'git submodule update --init --recursive'
   exec Gem.ruby, '-S', $PROGRAM_NAME, *ARGV
 end
 
-$LOAD_PATH.unshift(File.expand_path("#{dir}/rest-core/lib"))
+%w[lib rest-builder/lib rest-builder/promise_pool/lib].each do |path|
+  $LOAD_PATH.unshift(File.expand_path("#{dir}/rest-core/#{path}"))
+end
 
 Gemgem.init(dir) do |s|
   s.name     = 'rest-firebase'
-  s.version  = '1.0.3'
+  s.version  = '1.1.0'
   s.homepage = 'https://github.com/CodementorIO/rest-firebase'
 
   s.authors  = ['Codementor', 'Lin Jen-Shin (godfat)']
   s.email    = ['[e-mail]']
 
-  %w[rest-core].each{ |g| s.add_runtime_dependency(g, '>=3.5.0') }
+  %w[rest-core].each{ |g| s.add_runtime_dependency(g, '>=4.0.0') }
 
   # exclude rest-core
   s.files.reject!{ |f| f.start_with?('rest-core/') }
 end