version
update
bugfix & add find aligment

alignment nowork
fix alignmentpattern
bits
clear functionpattern & codeword -> datablocks
ReedSolomonDecoder
modify media
add debugger
bugfix

wtf...
bugfix
test iphone5
modify ctx width
呵呵
呵呵
wtf….
add remark
add  NUMERIC &ALPHANUMERIC
fix thresh
version bugfix