Add .DS_Store to .gitignore
Make sure timeout value is integer

This fixes "can't convert OpenSSL::BN into time interval" error
Pass correct parameter to abandon method

This fixes randomly occurring error when request is abandoned:
Cannot convert into OpenSSL::BN: ... lib/ldap/server/connection.rb:206:in `eql?'
Bump version
Fixed failing tests on Ruby 1.9
Add test for timeout fix
Detect requested attributes case-insensitive without a schema
Bump version