Merge pull request #3 from rust/master

Remove attr_accessible from ActiveRecord::SessionStore::Session
Use ActiveRecord::Base.logger.quielty instead of ActiveRecord::Base.silence

Signed-off-by: Shin-ichiro OGAWA <rust.stnard+git@gmail.com>
Merge pull request #5 from rust/use-quietly

Use logger.quielty instead of silence
No need to use ENV to change the Gemfile. You can use the bundle config
local feature
Less strict rails version
Add synchronized block around method re-definitions
Merge pull request #7 from johnthethird/master

Threading issue when redefining find_by_session_id
Fix warning message. It seems that the source :rubygems was deprecated.
Merge pull request #12 from kennyj/fix_rubygems_warning

Fix warning message. It seems that the source :rubygems was deprecated.
session_id should have a unique index
Updated README.md doc.

Making it consistent with 

https://github.com/rails/activerecord-session_store/commit/4ecd3f741c746758a2de88fcbcc8729c8292cdab#lib/action_dispatch/session/active_record_store.rb
Merge pull request #14 from ghilead/patch-1

Update README to correctly state the configuration option.

[ci skip]
Merge pull request #13 from stevehodgkiss/session_id_should_have_a_unique_index

Add unique constraint to session_id index
Test with the released gems
Remove support to 4.0.0.beta
Release 0.1.0
Test against master
Remove `:github` from install instructions

The gem is available on rubygem.org. Any reason you would want users to install directly from GitHub?
Merge pull request #24 from hardbap/master

Remove `:github` from gem installation instructions
Highlighted Ruby syntax in README.md