- noticeText can now assume two states: SPDX_NOASSERTION and string
 - add tests for parse_file.go file
 - relationship now returns the MUX error
 - getRelationshipTypeFromURI fixed
 - add constant for NS_SPDX+"Checksum" (SPDX_CHECKSUM_CAPITALIZED)
 - file Dependency set to the file being populated
 - add extended support for licenseInfoInFile

Signed-off-by: RishabhBhatnagar <bhatnagarrishabh4@gmail.com>

Signed-off-by: RishabhBhatnagar <bhatnagarrishabh4@gmail.com>

Signed-off-by: RishabhBhatnagar <bhatnagarrishabh4@gmail.com>

 - licenseTypes: renamed license of WithExceptionOperator to member
 - ignore rdf:type triple in Licenses
 - add comment to LicenseException

Signed-off-by: Rishabh Bhatnagar <bhatnagarrishabh4@gmail.com>

 - setting file referenced in the range to parser files instead of the Unpackaged Files.
 - externalReference now requires just a node rather than a triple.
 - tidied and DRYed parsing of Snippet range.
 - allow licenseInfoInFile of File to be AnyLicenseInfo instead of SimpleLicensingInfo.
 - change signature of getSnippetInformation from Triple To Node.
 - add simpleLicensingInfo switch in the anyLicensingInfo switch.
 - change input of getExternaelDocumentRef from triples to Node for easier prototyping.
 - remove unused methods in utils
 - remove parser association from utils functions

Signed-off-by: Rishabh Bhatnagar <bhatnagarrishabh4@gmail.com>