issues related to master

[Krasimir Marinov]

git rev-parse HEAD
b75e1d170ed6a5b5732b267b02ddedcbfe68bad4

1. Compile - make opt:
   GTree.h:22:29: fatal error: GClasses/GError.h: No such file or directory
   #include <GClasses GError.h="">

I fix it locally by including just "GError.h"

1. waffles_learn blocks / hangs with a specific input:

waffles_learn predict waffles-2641800845200986654.model waffles-pred-822906604756237415.arff -labels 0

The model and input files are attached.

[Mike Gashler]

Thanks for reporting these issues! I have pushed fixes into the repository.