Fix lifetimes (#272)

* Some changes

* Clarify lifetimes in transport.rs

* Fix remaining easy lifetimes in lib.rs

* Refactor Images::build for new lifetimes to work

* Fix Exec::start()

* Fix Container::exec()

* Make header_bytes not a Vec

* Make Docker::{images,...}() lifetimes explicit

* Fix Containers::get()

* Remove unnecessary locals from examples

* Update changelog

* Appease clippy

1 files changed, 2 insertions, 3 deletions

diff --git a/examples/servicelogs.rs b/examples/servicelogs.rs
index 54d4743..e5f97c0 100644
--- a/examples/servicelogs.rs
+++ b/examples/servicelogs.rs
@@ -9,9 +9,8 @@ async fn main() {
         .nth(1)
         .expect("You need to specify a service name");
 
-    let services = docker.services();
-
-    let mut logs_stream = services
+    let mut logs_stream = docker
+        .services()
         .get(&id)
         .logs(&LogsOptions::builder().stdout(true).stderr(true).build());