updated README, cleaned up debug code, updated dependencies. This closes

 #1

Gemfile

@@ -1,11 +1,11 @@
 source 'https://rubygems.org'
 
 gem 'activerecord', '4.1.6'
-gem 'rake'
-gem 'pg'
-gem 'rspec'
+gem 'rake', '10.3.2'
+gem 'pg', '0.17.1'
+gem 'rspec', '3.1.0'
 
 group :test, :development do
   gem "codeclimate-test-reporter", group: :test, require: nil
-  gem 'database_cleaner'
+  gem 'database_cleaner', '1.3.0'
 end

README.md

@@ -33,14 +33,32 @@ end
   ```
 parent = Node.create(name: "parent node")
 
-child = parent.children.create(name: "child 1")
+parent.children << Node.new(name: "child 1")
 
-child2 = child.children.create(name: "child 2")
+parent.children.first.children << Node.new(name: "child 2")
   ```
   4. Retrieve tree of stuff
   ```
+  parent.descendent_tree
+
+  # which should give you something like this:
+  [
+    {
+      "id"=>168,
+      "name"=>"child 1",
+      "parent_id"=>167,
+      "children"=>
+        [
+          {
+            "id"=>169, 
+            "name"=>"child 2", 
+            "parent_id"=>168, 
+            "children"=>[]
+          }
+        ]
+    }
+  ]
 
-parent.descendent_tree
   ```
 
 License

spec/treeify_spec.rb

@@ -100,8 +100,6 @@
       parent = Node.create(name: "tree root")
       parent.children << Node.new(name: "child 1")
       parent.children.first.children << Node.new(name: "child 2")
-      p "CHILDREN" 
-      pp parent.descendent_tree
       child = parent.children.first
       subchild = child.children.first
       expect(parent.descendent_tree).to match_array([

treeify.gemspec

@@ -10,9 +10,9 @@ Gem::Specification.new do |s|
   s.files = "lib/treeify.rb"
   s.license = "MIT"
   s.homepage = "http://rubygems.org/gems/treeify"
-  s.add_runtime_dependency "pg"
+  s.add_runtime_dependency "pg", "0.17.1"
   s.add_runtime_dependency "activerecord", "~> 4.1.6"
-  s.add_development_dependency "rspec"
-  s.add_development_dependency "rake"
-  s.add_development_dependency "database_cleaner"
+  s.add_development_dependency "rspec", "3.1.0"
+  s.add_development_dependency "rake", "10.3.2"
+  s.add_development_dependency "database_cleaner", "1.3.0"
 end