PackageAccessor Class

Provides base class for package accessors.

Constructors:

Name		Description
	PackageAccessor(LightFieldPackage)	Initializes a new instance of the PackageAccessor class.

Properties:

Name		Description
	HasContent	Gets whether any files are present in the package.
	HasExceptions	Gets whether any exceptions occured during initialization.
	Metadata	Gets metadata of the package.
	Package	Gets the LightFieldPackage associated with this accessor.

Methods:

Name		Description
	GetExceptions()	Gets the list of exceptions that occured during initialization.
	ThrowIfExceptionsOccured()	Throws the first exception that occured during initialization, if any.