escape process id in generating rvm.sh
fix for commit 22f3fcf415add45091a220831a185888b8bac86b
Merge pull request #958 from nigihayama/fix

fix bug introduced in commit 22f3fcf415add45091a220831a185888b8bac86b
update tests, closes #965
Merge branch 'master' of github.com:wayneeseguin/rvm
Merge branch 'master' of github.com:wayneeseguin/rvm
add check for GEM_HOME, fix #948
Merge branch 'master' of github.com:wayneeseguin/rvm
do not allow installing RVM in paths with spaces, fix #879
add rvm_man_path to MANPATH, fix #880
properly parse --ruby= flag in installer, fix #906
fix gemsets listing, fix #762
fix wrappers
improve wrappers
ruby_string is a required argument to rvm wrapper
Improve help for rvm wrapper.
Add HACKING.md document.
Merge pull request #960 from aspiers/master

Improve rvm wrapper docs and add HACKING.md
1.13.5
add missing ree md5