chore(lib): begin 1.0 development (#2882)

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "hyper"
-version = "0.14.19"
+version = "1.0.0-dev.0"
 description = "A fast and correct HTTP library."
 readme = "README.md"
 homepage = "https://hyper.rs"
@@ -12,6 +12,8 @@ keywords = ["http", "hyper", "hyperium"]
 categories = ["network-programming", "web-programming::http-client", "web-programming::http-server"]
 edition = "2018"
 
+publish = false # no accidents while in dev
+
 include = [
   "Cargo.toml",
   "LICENSE",

README.md

@@ -8,6 +8,10 @@
 
 A **fast** and **correct** HTTP implementation for Rust.
 
+> **Note**: hyper's [master](https://github.com/hyperium/hyper) branch is
+> currently preparing breaking changes. For the most recently *released* code,
+> look to the [0.14.x branch](https://github.com/hyperium/hyper/tree/0.14.x).
+
 - HTTP/1 and HTTP/2
 - Asynchronous design
 - Leading in performance