CDF Changes Log, CDF V2.7

V2.0.0   11-Feb-91  Release of CDF V2.0.
V2.1.0    7-Jun-91  Release of CDF V2.1.
V2.2.0   20-May-92  Release of CDF V2.2.
V2.3.0    1-Oct-92  Release of CDF V2.3.
V2.4.0   26-Jan-94  Release of CDF V2.4. 
V2.5.0   21-Dec-94  Release of CDF V2.5.
V2.6.0*  23-Feb-96  Alpha release of CDF V2.6.
V2.6.0#   5-Apr-96  Beta release of CDF V2.6.
V2.6.0&  13-Jun-96  Beta release of CDF V2.6.
V2.6.0$  17-Jun-96  Beta release of CDF V2.6.
V2.6.0@  15-Aug-96  Beta release of CDF V2.6.
V2.6.0   10-Oct-96  Release of CDF V2.6. 
V2.7.0   27-Sep-99  Release of CDF V2.7. 
V2.7.1   16-May-01  Add new ports: Solaris on PC, mach on MacOS and Linux on 
                       DEC/Alpha. 
                    Correct bugs in CDFDump program.
                    Correct and enhance CDF-Java APIs and Java Native 
                       Interface (JNI).
                    Add new Java-based tool programs for CDFEdit and CDFExport.
                    Add variable name checking in CDFconvert for compression 
                       option.
                    Add Cygwin port for win32 on PC. Create individual tool
                       programs for Windows using Cygwin libraries.