forgot to add a line of code to print the parameters to the output file
made minor edits to the comments
added code to prompt user for method (add_def,add,update_def,update)
re-generated the insertion list of planet parameters using exop_lit_ppar_tbl_v2_2.tbl from IPAC wiki page
Revert "added code to prompt user for method (add_def,add,update_def,update)"

This reverts commit 82274a9047fb850ab46577d1400324765cbe5493.