Update version and changelog in prep for 1.0.0 release (#196)

* -Update changelog to get ready for release 1.0
-Change README to point to releases page for WORKSPACE setup. Otherwise
 the readme shipped in the archive can never be in sync with the readme
 that has the correct sha256.

* update incompatible changes

* -Update changelog to get ready for release 1.0
-Change README to point to releases page for WORKSPACE setup. Otherwise
 the readme shipped in the archive can never be in sync with the readme
 that has the correct sha256.

* fix wording of changelog

* remove false file

CHANGELOG.md

@@ -1,3 +1,18 @@
+Release 1.0.0
+
+**Incompatible Changes**
+
+-   @bazel_skylib//:lib.bzl is removed. You now must specify specific modules
+    via @bazel_skylib//lib:<file>.bzl.
+-   maprule.bzl is removed.
+
+**New Features**
+
+-   Added types.is_set() to test whether an arbitrary object is a set as defined by sets.bzl.
+
+
+Release 0.9.0
+
 **New Features**
 
 -   common_settings.bzl: Standard data types for user defined build

README.md

@@ -19,21 +19,7 @@ Skylib also provides build rules under the `rules` directory.
 
 ### `WORKSPACE` file
 
-Add the following to your `WORKSPACE` file to import the Skylib repository into
-your workspace. Replace the version number in the `tag` attribute with the
-version you wish to depend on:
-
-```python
-load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
-load("@bazel_tools//tools/build_defs/repo:utils.bzl", "maybe")
-
-maybe(
-    http_archive,
-    name = "bazel_skylib",
-    url = "https://github.com/bazelbuild/bazel-skylib/releases/download/0.9.0/bazel_skylib-0.9.0.tar.gz",
-    sha256 = "1dde365491125a3db70731e25658dfdd3bc5dbdfd11b840b3e987ecf043c7ca0",
-)
-```
+See the **WORKSPACE setup** section [for the current release](https://github.com/bazelbuild/bazel-skylib/releases).
 
 If you want to use `lib/unittest.bzl` from Skylib versions released in or after
 December 2018, then you also should add to the `WORKSPACE` file:

version.bzl

@@ -13,4 +13,4 @@
 # limitations under the License.
 """The version of bazel-skylib."""
 
-version = "0.10.0"
+version = "1.0.0"