<h3>color_hsva() function</h3>
Returns a string representation of a color based on its hue, saturation, value and alpha (transparency) attributes

<p><h4>Syntax</h4>
     color_hsva(<i>hue, saturation, value, alpha</i>)</p>

<p><h4>Arguments</h4>
<!-- List args for functions here-->
<i>  hue</i> &rarr; the hue of the color, as an integer value from 0 to 360.<br>
<i>  saturation</i> &rarr; the saturation percentage of the color as an integer value from 0 to 100.<br>
<i>  value</i> &rarr; the value percentage of the color as an integer from 0 to 100.<br>
<i>  alpha</i> &rarr; the alpha component as an integer value from 0 (completely transparent) to 255 (opaque).<br>

<p><h4>Example</h4>
<!-- Show example of function.-->
     color_hsva(40,100,100,200) &rarr; '255,170,0,200'</p>
