Infiniteness and Boundedness in 0L, DT0L, and T0L Systems

These errors are present in the conference publication, but have been fixed in the latest version available at:

http://www.ccs.neu.edu/home/smithtim/

Section 2 (Definitions)

* [2013 Mar 27] In the definitions of DT0L and T0L systems, replace k with i.