Implement inline <color> tags for fold_and_print.

RAINBOWZ
![rainbowz](https://f.cloud.github.com/assets/4566361/1196481/cc0ee2ca-24af-11e3-8845-b78ce6f603cf.png)

    "Your <color_red>skill</color> <color_cyan>in <color_white>bargaining, 
    <color_ltblue>haggling, </color>and <color_brown>trading <color_yellow>with 
    <color_ltgray>others.</color> Higher levels increase the <color_magenta>odds</color>
     of getting the <color_ltred>better end of<color_blue> a deal,</color> and 
    might even see you convincing others to give you <color_red>f<color_brown>r
    <color_yellow>e<color_ltgreen>e <color_cyan>s<color_ltblue>t
    <color_magenta>u<color_pink>f<color_white>f</color>."