GH-405 add alt bag seq utility functions (#2254)

* #405 Add file for the new feature

Signed-off-by: Reeshabh Kumar Ranjan <reeshabhkumarranjan@gmail.com>

* #405 Add code for consumeCollection for RDFContainers

Signed-off-by: Reeshabh Kumar Ranjan <reeshabhkumarranjan@gmail.com>

* #405 Replace assertion with throwing a runtime exception, add untested code for consumeValues() method for RDFContainers.java (documentation pending)

Signed-off-by: Reeshabh Kumar Ranjan <reeshabhkumarranjan@gmail.com>

* #405 Add remaining methods (as present in RDFCollection) (documentation pending)

Signed-off-by: Reeshabh Kumar Ranjan <reeshabhkumarranjan@gmail.com>

* #405 Add documentation

Signed-off-by: Prince Sachdeva <prince17080@iiitd.ac.in>

* #405 Format the file

Signed-off-by: Prince Sachdeva <prince17080@iiitd.ac.in>

* #405 Correct the RDFS.Member triple in consumeContainer method

Signed-off-by: Prince Sachdeva <prince17080@iiitd.ac.in>

* #405 Change 'as' to 'to', Change version 3.0 to 3.3.0, Run mvn impsort:sort

Signed-off-by: Prince Sachdeva <prince17080@iiitd.ac.in>

* #405 Add tests for RDF Containers in RDFContainersTest.java, Remove distinct element check for rdf:alt in RDFContainers.java

Signed-off-by: Gaurav Aggarwal <gaurav17288@iiitd.ac.in>

Co-authored-by: Prince Sachdeva <prince17080@iiitd.ac.in>
Co-authored-by: Gaurav Aggarwal <gaurav17288@iiitd.ac.in>