BaseForm function implementation
Implemented converting bases of real numbers
fixed real to any other base conversion
updated the BaseForm function as requested to respond on Make Boxes
New files.py for file operations
add FilePrint[] and begin on Read[] and Write[]
small cleanup of files.py
StringToStream
InputStream OutputStream and Streams methods
Read Strings and Bytes from String streams.
Many more file operations
  Close, WriteString (partial), OpenRead, OpenWrite, ReadList (partial).
OpenRead, OpenWrite, OpenAppend have common parent
Multiple expressions for Write and WriteString
FileDate
  Still needs DateString implemented.
  Mathematica epoch is Jan 1 1900.
add ENABLE_FILES_MODULE flag to settings
Read handles Word type
Proper WordSeparators and extra tests to Read
Read can read Number
Read sometimes returns
Read now handles Real