Working on new CDF reader and tests
making progress on cdfReader.
Working on attibute lists inside of reader and variable objects.  have added several tests to make sure we are getting the correct information.
Still working on Attributes.  Just need to populate them.
cleared tests for Attributes.  Need to know implent getting data itself.
working on reading cdf values from file
Update README.md
reading a single value works and tests properly
Merge branch 'newCDF' of github.com:ghost-kit/GHOST into newCDF
fixed reading of indiviudal string values and dates.
fixed fill value for variables that have them
added copyright getter and setter
updated CDF reader to be able to read range of records
added some date routine tests and methods.