D-85

v-5.3.0a
---
1. as is

		==> done
D-85

v-5.3.0b
---
1. new func => _reader()

		==> done
D-85

v-5.3.1a
---
1. sender => with custom code
2. receiver => v-5.2

		==> done
Merge branch 'D_85_16F84A_Remote'