refactoring, feature vector computation is wrapped in a function now, added a prefix parameter
fixed bug, added parameter to choose whether features should be written out or not
kernel output seems to be working
added option for label extractor to ignore partially labeled data like ec code 1.1.2.-
fixed bug
remove output, fixing normalization
added debug output
more debug output
bugfix
code prettyfication
Merge branch 'kernel' into develop

Conflicts:
	algorithm/kernel/kernel.py