Update readme files

docs/lmdb-d-demo/ReadMe.md

-This a demo program for the D language binding for lmDB
+This is a demo program for the lmdb D language binding
 
-The binding is directly derived from the official header files for lmdb.
-Some OO style code was ported from the lmdb++ header. See docs for
-original headers in the docs directory.
+The binding is directly derived from the official lmdb header files.
 
-A small demo application is provided in the docs directory.
+Some OO style code was ported from the lmdb++ header. See for
+original headers in the docs directory. 
+
+A small demo application is provided in the docs directory. It was used
+for some explorative testing of the API binding.

readme.md

@@ -3,6 +3,18 @@ This is a D language binding for the lmdb (lowlevel mmapped database) library.
 
 Prerequisites:
 - You must have liblmdb.so 0.9.21 or newer installed on your system
+- A working D compiler and Dub.
 
 Usage:
-- Add 'lmdb' as a dependancy to your dub project.
+- Add 'lmdb' as a dependancy to your dub project file.
+- Please also read the dub documentation for details.
+- Then use 
+
+```
+import lmdb;      /* Import the binding modules into scope */
+import lmdb_oo;   /* Import optionally a more OO layer, WIP */
+```
+
+Todos:
+- Added real unit- and module-tests
+- Create D style OO layer instead of just porting the C++ approach.