v0.7.0

• Added: WikiPage resource now automatically requests all of it's available attributes from Redmine in case if some of them are not available in an existent resource object
• Added: Support for setting date/datetime resource attributes using date/datetime Python objects
• Added: Support for using date/datetime Python objects in all ResourceManager methods, i.e. new(), create(), update(), delete(), get(), all(), filter()
• Fixed: Issue #14 (Python Redmine was incorrectly raising ResourceAttrError when trying to call repr(), str() and int() on resources, created via new() method