Full rewrite (#14)

This release is a full rewrite of the `errors` package. See the README for further details.
#### Added
* `Caller` interface
* `Error` interface
* Exported methods
  - `Errorf(msg string, data ...interface{}) Error`
  - `GetCaller(err error) Caller`
  - `Has(err, test error) bool`
  - `Is(err, test error) bool`
  - `Trace(e error) Error`
  - `Track(e error) Error`

#### Changed
* Exported methods
  - `New(code std.Code, msg string, data ...interface{}) *Err`
    - `New(msg string) Error`
  - `Wrap(err error, code std.Code, msg string, data ...interface{}) *Err`
    - `Wrap(e error, msg string, data ...interface{}) Error`
#### Removed
* Exported methods
  - `From(code std.Code, err error) *Err`
* Support for error codes
* Support for sanitized vs raw error messages
* Support for HTTP status codes

Author: mkenney

.gitignore

@@ -0,0 +1,2 @@
+profile.out
+_*

.travis.sh

@@ -1,9 +1,25 @@
 #!/bin/sh
 set -e
 
+exit_code=0
+
+go get -u golang.org/x/lint/golint
+[ "0" = "$?" ] || exit 1
+
+for dir in $(go list ./... | grep -v vendor); do
+    echo "golint $dir"
+    result=$(golint $dir)
+    if [ "" != "$result" ]; then
+        echo $result
+        exit_code=5
+    fi
+    if [ "0" != "$exit_code" ]; then
+        exit $exit_code
+    fi
+done
+
 rm -f coverage.txt
-for dir in $(go list ./...); do
-    echo "go test -timeout 20s -coverprofile=profile.out $dir"
+for dir in $(go list ./... | grep -v vendor); do
     go test -race -timeout 20s -coverprofile=profile.out $dir
     exit_code=$?
     if [ "0" != "$exit_code" ]; then
@@ -14,4 +30,5 @@ for dir in $(go list ./...); do
         rm profile.out
     fi
 done
+
 exit $exit_code

.travis.yml

@@ -14,13 +14,10 @@ branches:
 language: go
 go_import_path: github.com/bdlm/errors
 go:
-    - 1.5.x
-    - 1.6.x
-    - 1.7.x
-    - 1.8.x
     - 1.9.x
     - 1.10.x
     - 1.11.x
+    - 1.12.x
     - tip
 
 script:

CHANGELOG.md

@@ -0,0 +1,49 @@
+All notable changes to this project are documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+# v0.2.0 - 2019-07-18
+This release is a full rewrite of the `errors` package. See the [README](README.md) for further details.
+#### Added
+* `Caller` interface
+* `Error` interface
+* Exported methods
+  - `Errorf(msg string, data ...interface{}) Error`
+  - `GetCaller(err error) Caller`
+  - `Has(err, test error) bool`
+  - `Is(err, test error) bool`
+  - `Trace(e error) Error`
+  - `Track(e error) Error`
+
+#### Changed
+* Exported methods
+  - `New(code std.Code, msg string, data ...interface{}) *Err`
+    - `New(msg string) Error`
+  - `Wrap(err error, code std.Code, msg string, data ...interface{}) *Err`
+    - `Wrap(e error, msg string, data ...interface{}) Error`
+#### Removed
+* Exported methods
+  - `From(code std.Code, err error) *Err`
+* Support for error codes
+* Support for sanitized vs raw error messages
+* Support for HTTP status codes
+
+
+# v0.1.3 - 2018-10-02
+#### Changed
+* Fixes a message formatting error
+
+
+# v0.1.2 - 2018-09-09
+#### Changed
+* Fixes issues with concurrent writes
+
+
+# v0.1.1 - 2018-08-22
+#### Added
+* Implemented a `Trace` method
+
+
+# v0.1.0 - 2018-06-23
+#### Added
+* Initial release