Release v.0.0.4

- changed aes to aes_string for ggplot2 aesthetics

----------------- 

Release v0.0.3

- Fixed all CRAN issues
- changed all ggplot2 aesthetics to aes_string() to resort from using "hacky" methods to get around CRAN issues

----------------- 

Release v0.0.2

- Renamed custom.plots as attribute.plots to better fit its purpose.
- Re-added query legend option when user selects for attribute plots
- Lowered minimum required R version. 
- Allowed for 360 degree rotation of intersection size bar labels 
- Changed default color of matrix shaing from dodgerblue to light gray

----------------- 

Release v0.0.1

- First public release.
