addedd draw type and types supporting draw
messed up and used the doc for imagemagick the first time around.  went
back and did graphicsmagick structures this time
added Storable instances to drawing data types
added drawing helpers and implemented line and text drawing
added type conversions so outward facing functions use haskell types
added bezier draw function
added additional draw functions.  Fill color seems to be working
added additional draw commands
added some clipping functions
added additional draw methods for fonts
Added draw methods
added stroke settings functions
added text antialias function
added text setting functions
added translate, rotate,scale,skews
added additional primitive draws: rectangle, round rectangle, polygon
added polyline
added stroke operations: dash array, dash offset, linejoin, linecap
fixed dash array pointer error
added stroke antialias