Merge pull request #100 from chenl/issue-99

Fix #99: expose `file::source::FileSource`

Author: matthiasbeyer

src/lib.rs

@@ -37,6 +37,7 @@ pub use crate::builder::{AsyncConfigBuilder, ConfigBuilder};
 pub use crate::config::Config;
 pub use crate::env::Environment;
 pub use crate::error::ConfigError;
+pub use crate::file::source::FileSource;
 pub use crate::file::{File, FileFormat, FileSourceFile, FileSourceString, FileStoredFormat};
 pub use crate::format::Format;
 pub use crate::map::Map;