Drop support go1.10 and govendor

Author: guoyao

.travis.yml

@@ -3,7 +3,6 @@ language: go
 matrix:
   fast_finish: true
   include:
-    - go: 1.10.x
     - go: 1.11.x
       env: GO111MODULE=on
     - go: 1.12.x
@@ -18,7 +17,7 @@ before_install:
   - if [[ "${GO111MODULE}" = "on" ]]; then mkdir "${HOME}/go"; export GOPATH="${HOME}/go"; fi
 
 install:
-  - if [[ "${GO111MODULE}" = "on" ]]; then go mod download; else make install; fi
+  - if [[ "${GO111MODULE}" = "on" ]]; then go mod download; fi
   - if [[ "${GO111MODULE}" = "on" ]]; then export PATH="${GOPATH}/bin:${GOROOT}/bin:${PATH}"; fi
   - if [[ "${GO111MODULE}" = "on" ]]; then make tools; fi
 

Makefile

@@ -1,14 +1,9 @@
 GO ?= go
 GOFMT ?= gofmt "-s"
-PACKAGES ?= $(shell $(GO) list ./... | grep -v /vendor/)
-VETPACKAGES ?= $(shell $(GO) list ./... | grep -v /vendor/ | grep -v /examples/)
-GOFILES := $(shell find . -name "*.go" -type f -not -path "./vendor/*")
-TESTFOLDER := $(shell $(GO) list ./... | grep -v /vendor/ | grep -v examples)
-
-all: install
-
-install: deps
-	govendor sync
+PACKAGES ?= $(shell $(GO) list ./...)
+VETPACKAGES ?= $(shell $(GO) list ./... | grep -v /examples/)
+GOFILES := $(shell find . -name "*.go")
+TESTFOLDER := $(shell $(GO) list ./... | grep -v examples)
 
 .PHONY: test
 test:
@@ -48,11 +43,6 @@ fmt-check:
 vet:
 	$(GO) vet $(VETPACKAGES)
 
-deps:
-	@hash govendor > /dev/null 2>&1; if [ $$? -ne 0 ]; then \
-		$(GO) get -u github.com/kardianos/govendor; \
-	fi
-
 .PHONY: lint
 lint:
 	@hash golint > /dev/null 2>&1; if [ $$? -ne 0 ]; then \

README.md

@@ -10,6 +10,16 @@
 
 Thanks to [path-to-regexp](https://github.com/pillarjs/path-to-regexp) which is the original version written in javascript.
 
+## Installation
+
+To install `Path-to-RegExp` package, you need to install Go and set your Go workspace first.
+
+The first need [Go](https://golang.org/) installed (**version 1.11+ is required**), then you can use the below Go command to install `Path-to-RegExp`.
+
+```sh
+$ go get -u github.com/soongo/path-to-regexp
+```
+
 ## Usage
 
 ```go