Copy directories during build

[nkrusch]

Describe the bug
Copy as-is does copy directories.

Expected behavior
Make copy support copying of whole directories

[zicsus]

#34

[nkrusch]

@zicsus I have merged your PR. Please try 0.11.8-alpha.1 version and see if it resolves the issue.

[zicsus]

@nkrusch Thanks! will take look.

[nkrusch]

Closing, this is in v0.11.8.