Architecture change: _to is now generic completion suggestor, _to_bash for bash tab completion
updated _to
Fixed tab completion for zsh pending testing
added some fixes to zsh tab completion
removed some blank lines
Merge branch 'master' into issue5

Conflicts:
	to.sh
Removed redundant declaration
Merge branch 'master' into issue5
more fixes to _to_zsh
fixed quoting
Merge branch 'master' into issue5
more attempts to fix zsh tab completion
Merge branch 'master' into issue5
Merge branch 'master' into issue5
Merge branch 'master' into issue5

Conflicts:
	to.sh
Merge pull request #20 from resultsreturned/master

Improve code readability by flattening logic tree
Merge remote-tracking branch 'origin/master' into issue5

Conflicts:
	to.sh
removed unnecessary file check
Merge branch 'master' into issue5

Conflicts:
	to.sh
Update README.md