updated for version 7.4.297
Problem:    Memory leak from result of get_isolated_shell_name().
Solution:   Free the memory. (Dominique Pelle)
Added tag v7-4-297 for changeset 81f5a056b2a5
updated for version 7.4.298
Problem:    Can't have a funcref start with "t:".
Solution:   Add "t" to the list of accepted names. (Yukihiro Nakadaira)
Added tag v7-4-298 for changeset 156f891d520e