first commit - lots to do
Merge branch 'master' into ESP8266
shell of ESP8266 code
now much nearer working
We can now extract 'IPD' data properly
HTTP get now properly working now - note this is still single-socket mode
updated docs
test for bug 428
Fix break inside loop inside case inside function (fix 428)
improve process docs
Added fs.stat and File.seek (fix #429, fix #430)
tweak Makefile to make sure we still fit within Flash limits
Allow use of DLE (char 16) on an empty line to turn echo off for *just that line*
Add XON/XOFF flow control on Serial + USB. This is enabled by default for Serial (fix #20)