adding cmd line indent option

bin/ccss

@@ -39,6 +39,8 @@ def main():
             help='convert css files to ccss')
     parser.add_option('--minified', action='store_true',
             help='minify the resulting css')
+    parser.add_option('-i', '--indent', dest='indent', type='int',
+            default=2, help='number of spaces to indent (default 2)')
 
     (options, args) = parser.parse_args()
     if options.eigen_test:
@@ -51,7 +53,7 @@ def main():
     elif len(args):
         convert_many(args, options)
     else:
-        convert_stream()
+        convert_stream(options)
 
 def do_test():
     rx = re.compile(r'Example::\n(.*?)__END__(?ms)')
@@ -64,10 +66,10 @@ def list_colors():
     for color in sorted(clevercss.consts.COLORS.items()):
         print '  %-30s%s' % color
 
-def convert_stream():
+def convert_stream(options):
     import sys
     try:
-        print clevercss.convert(sys.stdin.read())
+        print clevercss.convert(sys.stdin.read(), indent=options.indent)
     except (ParseError, TranslateError), e:
         sys.stderr.write('Error: %s\n' % e)
         sys.exit(1)
@@ -89,7 +91,7 @@ def convert_many(files, options):
         src = open(fname)
         try:
             try:
-                converted = clevercss.convert(src.read(), fname=fname)
+                converted = clevercss.convert(src.read(), fname=fname, indent=options.indent)
             except (ParseError, TranslateError), e:
                 sys.stderr.write('Error in file %s: %s\n' % (fname, e))
                 sys.exit(1)