Merge branch 'release/0.4.0.4'
Merge branch 'release/0.4.0.5'
Merge branch 'release/0.4.0.6'
Merge branch 'release/0.4.0.7'
Merge branch 'release/0.4.0.8'
Merge branch 'release/0.4.0.10'
Merge branch 'release/0.4.0.11'
allow zero size blob, used for creating folders as blobs
Merge branch 'develop' of github.com:dreamfactorysoftware/azure-sdk-for-php into develop