AGREEMENT AND PLAN OF MERGER BY AND AMONG EVOLVING SYSTEMS, INC., TOPAZ MERGER SUB, INC., TELESPREE COMMUNICATIONS, AND, WITH RESPECT TO SECTIONS 1.8, 1.9, 2.2, 2.4, 5.1, 5.2, AND 6.3, ARTICLE VII AND ARTICLE VIII ONLY, GILL COGAN, AS THE EXCLUSIVE...