Testing Done:
Compiled with no arguments, `-Dpython2=true`, and `-Dpython2=false` and verified the build was successful and was only linked to libpython2 when it should have been via ldd.
Bugs closed: LIBGNT-16
Reviewed at https://reviews.imfreedom.org/r/930/
# UPDATING VERSION NUMBERS FOR RELEASES
#
# The version number is:
# <major>.<minor>.<micro><suffix>
#
# If any code has changed in libgnt:
# micro += 1
#
# If any functions have been added to libgnt:
# micro = 0
# minor += 1
#
# If backwards compatibility has been broken in libgnt:
# micro = 0
# minor = 0
# major += 1
# gnt_soversion += 1
#
# suffix should be similar to one of the following: