Add IPv6 support to the URL parser
Add new URL parser tests for IPv6 addresses
Added support for the language_override index option
fixed typo in test documentation
Merge branch 'language_override-fix' of github.com:rubenvereecken/node-mongodb-native into rubenvereecken-language_override-fix
Merge branch 'rubenvereecken-language_override-fix' into 1.4
Ignore callback in single result returned if null
Drop options check on index creation
Merge branch 'jdesboeufs-1.4' into 1.4
Merge branch 'bug-node-193' of github.com:micovery/node-mongodb-native into micovery-bug-node-193
Merge branch 'micovery-bug-node-193' into 1.4
Bumped version to 1.4.6
Updated history
Make callbacks to be executed in right domain

When command is executed through non executed commands queue,
callbacks are executed in wrong domain. Fix this.