Merge commit 'der-rich/master'

* commit 'der-rich/master':
  removed unnecessary .to_a
  Using String#unpack instead of String#bytes to work with Ruby < 1.8.7

Conflicts:
	lib/compass/grid_builder.rb

lib/compass/grid_builder.rb

@@ -15,7 +15,7 @@ module Compass
 
     class << self
       def crc(chunkdata='')
-        chunkdata.bytes.to_a.inject(0xffffffff){|crc, byte| CRC_TABLE[(crc ^ byte)  & 0xff] ^ (crc >> 8) } ^  0xffffffff
+        chunkdata.unpack('C*').inject(0xffffffff){|crc, byte| CRC_TABLE[(crc ^ byte)  & 0xff] ^ (crc >> 8) } ^  0xffffffff
       end
 
       def chunk(type, data="")