Update my answer to Exercise 3.63.

Modified is the following file:

	Exercise_3.63.tm

Besides, I've add the PDF file derived from it:

	Exercise_3.63.pdf

Thank you!
							Lawrence X. Amlord
							  Nov 30th, 2013
							  Xi'an, China
Add my answer to Exercise 3.64.

Included is the following file:

	Exercise_3.64.scm
	Test_for_Exercise_3.64.scm

Thank you!
							Lawrence X. Amlord
							  Dec 1st, 2013
							  Xi'an, China
Add my answer to Exercise 3.65.

Included is the following file:

	Exercise_3.65.scm

Thank you!
							Lawrence X. Amlord
							  Dec 1st, 2013
							  Xi'an, China
Add code of the section session in 3.5.3.

Modified is the following file:

	3.5.3_Exploiting_the_Stream_Paradigm.scm

Thank you!
							Lawrence X. Amlord
							  Dec 3rd, 2013
							  Xi'an, China