Fixed a bug with dead (non-user) keys from RAWINPUT leaking into the Keyboard State. Example: LeftShift was automatically included with any Up/Down/Left/Right arrow keys, contrary to standard XNA behavior
Added BoolSerializer.
We now throw on unhandled primitive types.
Fix for non-public getters.
Added comment about source of tests.
Getting properties/fields on base types now.
Refactor ContentSerializerAttribute and fixed default to allow nulls.
We now support properties that return classes and have no setter.
Fixed ReflectiveSerializer to recursively call deserialize.
We now more correctly support ContentSerializerAttribute.
Some more comments.
Further refined rules for property serialization.
Fixed case where parsing failed on empty element tags.
Added support for "Null" attribute.
Added enum serializer support.
Fixed default CollectionItemName behavior.
First pass at array serialization.
Removed ContentTypeSerializer attribute from ArraySerializer<>.
First pass at list serialization.
Added image attaching for iOS Guide's Twitter

Added image attaching for iOS Guide's Twitter
Merge pull request #2718 from picobots/develop

Added image attaching for iOS Guide's Twitter
Avoiding loading content twice when a path is passed to us using different path separators or casing.
Fixed logic error.