Refactored the application per some feedback on reddit.

.cheat/convert

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+To resize an image to a fixed width and proportional height:
+convert original-image.jpg -resize 100x converted-image.jpg
+
+To resize an image to a fixed height and proportional width:
+convert original-image.jpg -resize x100 converted-image.jpg
+
+To resize an image to a fixed width and height:
+convert original-image.jpg -resize 100x100 converted-image.jpg
+
+To resize an image and simultaneously change its file type:
+convert original-image.jpg -resize 100x converted-image.png
+
+To resize all of the images within a directory:
+To implement a for loop:
+for file in `ls original/image/path/`;
+    do new_path=${file%.*};
+    new_file=`basename $new_path`;
+    convert $file -resize 150 conerted/image/path/$new_file.png;
+done