got rid of dependency on posix module; replaced posix_getpid with getmypid
Added check for error string found in PHP5.4RC7
inputrc fix (#28)
Only install readline on systems that need it

The readline module is part of the standard Python package found in most common Linux distributions (Debian/Ubuntu/Mint/Fedora/etc.). The only major Posix distribution requiring an explicit readline installation is Mac OS X. Another notable exception is the ActivePython distribution which also ships without readline.
Fixed fatal error issue when xdebug is installed and xdebug.cli_color is set to 2
Added .elc to the ignore list (src/xdebug-clients/geben/geben.elc)
memory_limit calculation recognizes suffixes

For a script, I set my memory_limit to 2G. phpsh then helpfully set my memory limit to 4M. What the heck. This is a fix.
Fix issue #54 by making sure $HOME is only used when set

Original issue: https://bugzilla.wikimedia.org/show_bug.cgi?id=62240
Update README.md
Merge pull request #55 from hexmode/master

Fix issue #54 by making sure $HOME is only used when set
Merge pull request #46 from uncreative/master

fix for issue #44
Merge pull request #40 from joeframbach/master

memory_limit calculation recognizes suffixes
Merge pull request #36 from brainative/master

Fixed an issue related to xdebug
Merge pull request #34 from ludwigschwardt/patch-1

Only install readline on systems that need it
Merge pull request #29 from vytautasgimbutas/master

inputrc fix
Merge pull request #25 from davedevelopment/fix-syntactic-completion-error

Added check for error string found in PHP5.4RC7
Merge pull request #19 from pajaco/no-posix

Removed dependency on posix module; replaced posix_getpid with getmypi
Merge remote-tracking branch 'facebookarchive/phpsh/master'

Conflicts:
	src/__init__.py