CHANGES IN VERSION 0.1.6
-----------------------
  * fix mis-spelled words in DESCRIPTION.

CHANGES IN VERSION 0.1.5
-----------------------
  * Update the DESCRIPTION. 
  * remove the samples that will write to default path.
  * remove sapply.
  * adjust the format for code style.

CHANGES IN VERSION 0.1.4
-----------------------
  * Update the DESCRIPTION. 
  
CHANGES IN VERSION 0.1.3
-----------------------
  * Decrease the size of the package. 
  
CHANGES IN VERSION 0.1.2
-----------------------
  * Fix a issue of non ASCII charactor in documentation. 
  
CHANGES IN VERSION 0.1.1
-----------------------
  * Add cvd simulator. 

CHANGES IN VERSION 0.1.0
-----------------------
  * Initial. 

