bump deps ver, use result instead of panic for fs watcher, hardcode dahlia tech to 1st unit

kcp/src/kcp.rs

@@ -16,7 +16,7 @@ use bytes::{Buf, BufMut, BytesMut};
 #[cfg(feature = "tokio")]
 use tokio::io::{AsyncWrite, AsyncWriteExt};
 
-use crate::{error::Error, KcpResult};
+use crate::{KcpResult, error::Error};
 
 const KCP_RTO_NDL: u32 = 20; // no delay min rto
 const KCP_RTO_MIN: u32 = 100; // normal min rto

kcp/src/lib.rs

@@ -7,11 +7,11 @@ mod kcp;
 
 /// The `KCP` prelude
 pub mod prelude {
-    pub use super::{get_conv, Kcp, KCP_OVERHEAD};
+    pub use super::{KCP_OVERHEAD, Kcp, get_conv};
 }
 
 pub use error::Error;
-pub use kcp::{get_conv, get_sn, set_conv, Kcp, KCP_OVERHEAD};
+pub use kcp::{KCP_OVERHEAD, Kcp, get_conv, get_sn, set_conv};
 
 /// KCP result
 pub type KcpResult<T> = Result<T, Error>;