Merge pull request #5 from Xieyan/master

HashTable
Merge pull request #6 from Xieyan/master

HashTable_fix
Merge pull request #7 from Xieyan/master

vartemp
structure unfinished
structure unfinished 01
structure finished
structure finished 01
add test info
add test info
add test info
Merge pull request #3 from stanleytangerror/master

suchengzhidao