amf0 utest, refine amf0 size and object/array read/write
amf0 utest: refine amf0 size and finish utest.
amf0 utest: refine amf0 size and finish utest.
amf0 utest: remove struct use class instead, move class together
amf0 utest: remove class SrsAmf0String, use SrsAmf0Any instead
amf0 utest: finish utest for string to any
amf0 utest: boolean to any
amf0 utest: null,undefined,object-eof to any
amf0 utest: elem read/write refined
amf0 utest: change version to 0.9.13