gitignore and data dir crap
ignore ipynb files
This script converts the date column to a more useful time series index for the data frame
Merge branch 'master' into kkwteh

* master:
  ignore ipynb files
  gitignore and data dir crap
Add utility to construct datetime index.
remove useless foo.txt file
station class with init and repr
Merge branch 'master' into kkwteh

* master:
  station class with init and repr