Fixed some migrations that were mistyped; updated the Rakefile to include bundler setup for gems

Rakefile

@@ -1,3 +1,5 @@
+require 'bundler/setup'
+
 require 'sequel'
 require 'sqlite3'
 

db/migrations/0001_add_items_table.rb

@@ -10,8 +10,8 @@ Sequel.migration do
       String :type
       String :purchased_from
       DateTime :purchased_at
-      DateTime :created_at
-      DateTime :updated_at
+      DateTime :created_at, default: Sequel::CURRENT_TIMESTAMP
+      DateTime :updated_at, default: Sequel::CURRENT_TIMESTAMP
     end
   end
 

db/migrations/0002_add_item_comments_table.rb

@@ -4,8 +4,8 @@ Sequel.migration do
     create_table(:item_comments) do
       primary_key :id
       String :body, null: false
-      DateTime :created_at
-      DateTime :updated_at
+      DateTime :created_at, default: Sequel::CURRENT_TIMESTAMP
+      DateTime :updated_at, default: Sequel::CURRENT_TIMESTAMP
     end
 
     alter_table(:item_comments) do

db/migrations/0004_add_license_comments_table.rb

@@ -4,12 +4,12 @@ Sequel.migration do
     create_table(:license_comments) do
       primary_key :id
       String :body, null: false
-      DateTime :created_at
-      DateTime :updated_at
+      DateTime :created_at, default: Sequel::CURRENT_TIMESTAMP
+      DateTime :updated_at, default: Sequel::CURRENT_TIMESTAMP
     end
 
     alter_table(:license_comments) do
-      add_foreign_key :license_id, :items
+      add_foreign_key :license_id, :licenses
     end
   end