Improved behaviour in global env#14

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radhikalism wants to merge 3 commits intohuyng:masterfrom

radhikalism:master

Commits on Mar 4, 2011

do not exit the shell if mktemp fails
abhishek
committed
add prefixes to private and public function and variable names, only leaving interactive function and configurable variable names unprefixed
abhishek
committed
refactor with interactive functions defining strategy and private functions implementing commands; also eschews need for kill in help function
abhishek
committed