Update my answer to Exercise 3.52.

Modified is the following file:

	Exercise_3.52.scm

Thank you!
							Lawrence X. Amlord
							  Nov 22nd, 2013
							  Xi'an, China
Add the code in section 3.5.2.

Included is the following file:

	3.5.2_Infinite_Streams.scm

Thank you!
							Lawrence X. Amlord
							  Nov 22rd, 2013
							  Xi'an, China