new: fuzzy search & delete api by name
Merge pull request #15 from wuyinan0126/master

new: fuzzy search & delete api by name
Merge pull request #16 from zghaobac/develop

new jsp
fuzzy search and tests
Merge pull request #17 from wuyinan0126/master

fuzzy search and tests
new: evaluation tree
Merge pull request #18 from wuyinan0126/master

new: evaluation tree
change Node to abstract class