Ensure uid3 is lowercase in templates. Also fix some bugs related to validating UID3. If the user enters a non-0x prefixed string, this is not always detected, and a UID3 range check warning indicates a different string was parsed (dropping the first two chars as if 0x was there).

bin.includes = META-INF/,\
               data/,\
               library.jar,\
               data2/,\
               tools/
jars.compile.order = library.jar
source.library.jar = src/
output.library.jar = bin/