Add mxmlLoadIO/mxmlSaveIO functions, merge everything under the new roof #40

	name: Build

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	jobs:
	build-linux:

	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2
	- name: update build environment
	run: sudo apt-get update --fix-missing -y
	- name: install prerequisites
	run: sudo apt-get install -y cppcheck
	- name: configure
	env:
	CC: /usr/bin/gcc
	run: ./configure --enable-debug --enable-maintainer
	- name: make
	run: make
	- name: test
	env:
	ASAN_OPTIONS: leak_check_at_exit=false
	run: make test
	- name: clang static analyzer
	run: make CC=clang "GHA_ERROR=::error::" clang
	- name: cppcheck
	run: make "GHA_ERROR=::error::" cppcheck

	build-macos:

	runs-on: macos-latest

	steps:
	- uses: actions/checkout@v2
	- name: configure
	run: ./configure --enable-debug --enable-maintainer
	- name: make
	run: make
	- name: test
	run: make test
	- name: clang static analyzer
	run: make CC=clang "GHA_ERROR=::error::" clang

	build-windows:

	runs-on: windows-latest

	steps:
	- uses: actions/checkout@v2
	- name: setup-msbuild
	uses: microsoft/setup-msbuild@v1.0.2
	- name: msbuild
	run: msbuild vcnet\mxml.sln

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