Minor addition to constructor.
On branch master
Changes to be committed:
modified:   Readme.md
modified:   lib/train.js
Resolve bug in test name.
On branch master
Your branch is ahead of 'origin/master' by 1 commit.
Changes to be committed:
new file:   test/npm-debug.log
renamed:    test/train-test-js -> test/train-test.js