initial import of libXt-1.3.1

initial import of libXt-1.3.0

initial import of libXt-1.2.1

initial import of libXt-1.2.0

initial import of libXt-1.1.5

initial import of libXt-1.1.4

initial import of libXt-1.1.1. important changes include:
avoid some NULL derefs
snprintf cleanup
big-endian 64 bit fixes

initial import of libXt-1.0.9

initial import of libXt-1.0.8

initial import of libXt-1.0.7

initial import of libXt-1.0.6

initial import of libXt-1.0.5