README.md in musicbrainz-0.7.1 vs README.md in musicbrainz-0.7.2

@@ -1,98 +1,149 @@
 ## MusicBrainz Web Service wrapper [![Travis CI](https://secure.travis-ci.org/magnolia-fan/musicbrainz.png)](http://travis-ci.org/magnolia-fan/musicbrainz)
 
+### Ruby Version
+**IMPORTANT!**
+
+Ruby version 1.9+ required. No support for 1.8.7 anymore, if you still on 1.8 consider using gem [version 0.5.2](https://github.com/magnolia-fan/musicbrainz/tree/v0.5.2#musicbrainz-web-service-wrapper-) and bundle it like this:
+
+```ruby
+gem 'musicbrainz', '0.5.2'
+```
+
 ### Installation
-```bash
+```
 gem install musicbrainz
 ```
 or add this line to your Gemfile
 ```ruby
-gem "musicbrainz"
+gem 'musicbrainz'
 ```
 
+### Configuration
+```ruby
+MusicBrainz.configure do |c|
+  # Application identity (required)
+  c.app_name = "My Music App"
+  c.app_version = "1.0"
+  c.contact = "[e-mail]"
+
+  # Cache config (optional)
+  c.cache_path = "/tmp/musicbrainz-cache"
+  c.perform_caching = true
+
+  # Querying config (optional)
+  c.query_interval = 1.2 # seconds
+  c.tries_limit = 2
+end
+```
+
 ### Usage
 ```ruby
-require "musicbrainz"
+require 'musicbrainz'
 
 # Search for artists
 @suggestions = MusicBrainz::Artist.search("Jet")
 
 # Find artist by name or mbid
 @foo_fighters = MusicBrainz::Artist.find_by_name("Foo Fighters")
 @kasabian = MusicBrainz::Artist.find("69b39eab-6577-46a4-a9f5-817839092033")
 
 # Use them like ActiveRecord models
 @empire_tracks = @kasabian.release_groups[8].releases.first.tracks
-
-# Setting a cache path enables caching of requests
-MusicBrainz::Tools::Cache.cache_path = "tmp/cache"
-
-# Configuring request interval
-MusicBrainz::Tools::Proxy.query_interval = 1.2 # seconds
 ```
 
-### Api
+### Models
 
 MusicBrainz::Artist
 ```ruby
-@artists = MusicBrainz::Artist.search(query)
-@artist = MusicBrainz::Artist.find_by_name(name)
-@artist = MusicBrainz::Artist.find(mbid)
[e-mail]
[e-mail]
[e-mail]
[e-mail]
[e-mail]_begin
[e-mail]_end
+# Class Methods:
+MusicBrainz::Artist.find(id)
+MusicBrainz::Artist.find_by_name(name)
+MusicBrainz::Artist.search(name)
+MusicBrainz::Artist.discography(id)
+
+# Instance Methods:
 @artist.release_groups
+
+# Fields
+{
+  :id         => String,
+  :type       => String,
+  :name       => String,
+  :country    => String,
+  :date_begin => Date,
+  :date_end   => Date,
+  :urls       => Hash
+}
 ```
 
 MusicBrainz::ReleaseGroup
 ```ruby
-@release_group = MusicBrainz::ReleaseGroup.find(mbid)
-@release_group.id
-@release_group.type
-@release_group.title
-@release_group.first_release_date
+# Class Methods
+MusicBrainz::ReleaseGroup.find(id)
+
+# Instance Methods
 @release_group.releases
+
+# Fields
+{
+  :id                 => String,
+  :type               => String,
+  :title              => String,
+  :desc               => String,
+  :first_release_date => Date
+}
 ```
 
 MusicBrainz::Release
 ```ruby
-@release = MusicBrainz::Release.find(mbid)
[e-mail]
[e-mail]
[e-mail]
[e-mail]
[e-mail]
+# Class Methods
+MusicBrainz::Release.find(id)
+
+# Instance Methods
 @release.tracks
+
+# Fields
+{
+  :id      => String,
+  :title   => String,
+  :status  => String,
+  :format  => String,
+  :date    => Date,
+  :country => String
+}
 ```
 
 MusicBrainz::Track
 ```ruby
-@track = MusicBrainz::Track.find(mbid)
[e-mail]
[e-mail]_id
[e-mail]
[e-mail]
+# Class Methods
+MusicBrainz::Track.find(id)
+
+# Fields
+{
+  :position     => Integer,
+  :recording_id => String,
+  :title        => String,
+  :length       => Integer
+}
 ```
 
 ### Testing
-```bash
-bundle rake spec
 ```
+bundle exec rspec
+```
 
 ### Debug console
-```bash
-bundle rake console
 ```
+bundle exec irb -r musicbrainz
+```
 
 ### Contributing
 
 * Check out the latest master to make sure the feature hasn't been implemented or the bug hasn't been fixed yet
 * Check out the issue tracker to make sure someone already hasn't requested it and/or contributed it
 * Fork the project
-* Start a feature/bugfix branch
+* **Start a feature/bugfix branch (IMPORTANT)**
 * Commit and push until you are happy with your contribution
 * Make sure to add tests for it. This is important so I don't break it in a future version unintentionally.
 * Please try not to mess with the Rakefile, version, or history. If you want to have your own version, or is otherwise necessary, that is fine, but please isolate to its own commit so I can cherry-pick around it.
 
 ### Copyright