Changes in version 0.1.9 (2021-04-17)                  

    o   Bump up version. 

                        Changes in version 0.1.8                        

    o   remove the missing link of geog uoregon edu. 

                        Changes in version 0.1.7                        

    o   add rmarkdown as suggests. 

                 Changes in version 0.1.6 (2020-03-16)                  

    o   fix mis-spelled words in DESCRIPTION.

                        Changes in version 0.1.5                        

    o   Update the DESCRIPTION. 

    o   remove the samples that will write to default path.

    o   remove sapply.

    o   adjust the format for code style.

                        Changes in version 0.1.4                        

    o   Update the DESCRIPTION. 
	>>>>>>> 37937cccbc9ea4265cc0ac3dbd844d3a1e3198ae

                        Changes in version 0.1.3                        

    o   Decrease the size of the package. 

                        Changes in version 0.1.2                        

    o   Fix a issue of non ASCII charactor in documentation. 

                        Changes in version 0.1.1                        

    o   Add cvd simulator. 

                        Changes in version 0.1.0                        

    o   Initial.