G-Golf GIRepository Version Informatrion low level API.
Version Information - Procedures to check the GIRepository version.
Procedures to check the GIRepository version.
Returns a string describing GIRepository full version number, effective version number, major, minor or micro version number, respectively.
The last three procedures will return the major, minor or micro version
number as an integer if the optional as-integer? argument is
#t
.
Returns #t
if the GIRepository version is the same as or newer
than the major minor micro passed-in version.