ApeTime() reads the time that a tree written with "ape" was modified,
based on the comment in the Nexus file.
ApeTime(filepath, format = "double")ApeTime() returns the time that the specified file was created by
ape, in the format specified by format.
Character string specifying path to the file.
Format in which to return the time: "double" as a sortable numeric;
any other value to return a string in the format
YYYY-MM-DD hh:mm:ss.