v1.3 3/5/92
           move 1 operation tool as an operation

v1.4 4/19/92
            ask to change all number of cuts when changing parts per setup
            added approach and relief to circle milling
            copy last tool down (can COPY top to bottom)

v1.5 5/3/92
           dont ask to save after "C"reate
           took main spindle speed and HP out of show tool

v1.6 8/27/92
           can use 50 tools instead of only 35
           made convert program cte5to6 to convert old .est files to 1.6 format

v1.7 11/18/92
           added Material Factors chart

v1.8 12/28/92
           will not add toolchange time if only 1 tool in estimate