replace string to regexp
Merge pull request #1 from wakamori/fix_bug

replace string to regexp
replace getSize to getlength
Merge pull request #2 from wakamori/fix_bug

replace getSize to getlength
fix bytes.getSize
Merge pull request #3 from wakamori/fix_bug

fix bytes.getSize
test
making status table
maked status table
merged work
making ranking
add id
add get_runking
add submit-runking
set_run_status
update runking
temp
fix set_run_status bug 
temp
temp