moved lock to detail::instance_t
Multiple translation units test

multiple translation units test ( unit 1 [tunit_test.cpp], unit
2[myapp.h, myapp.cpp])
Merge pull request #15 from retf/hotfix/issue14

fix for issue 14
Update README.md
updates

updates in doc and samples
doc updates
Update README.md
travis test
Add auto_handles
Update auto_handler.hpp
update (last type_index, auto_handler fix for NIX)

suppodt for last type_index and auto_handler fix for NIX
0.4.9

New version 0.4.9
Update README.md
Fixes for *nix
partial support for mingw
Update README.md
minor fixes
Docs update
Update README.md
Update README.md