Follow the hillbig/rsdic interface change

[sekineh]

Now go test works for me.

src\waveletTreeSekineh>go test
...
3 total assertions

.............................................................
64 total assertions

.........................................................................
137 total assertions

PASS
ok      waveletTreeSekineh      0.424s

[sekineh]

Oops, only 5533852 is enough for the build issue #1.
I added many commits afterwards, but they are not needed.