add logger and lowMem support

add logger and lowMem support

fix build issue #4

fix build issue #4 by add submodule

fix some bugs

1. fix #2
2. fix #5

fix springboot support bug

v1.2

fix: use original filename

add springboot support

v1.1

add support input dir

soot-fact-generator v1.0

soot-fact-generator.jar v1.0