refactored error handling, less error prone
Improve "see help" messages and always use the name by which the luarocks program was launched.
Make life easier for our friends who are still using VT-100 terminals.
I wonder if LuaRocks runs on Unix System V? :)
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Fix uses of home_config_file when it goes missing due to --force-config.
Accidental workaround was left behind
Merge pull request #124 from Tieske/refactor_builtin_error

refactored error handling, less error prone
Merge pull request #128 from Tieske/removed_win_workaround

Removed windows workaround
Rewrote install batch file in Lua.

This is mostly a direct translation, so there are lots of things to
improve, but it is a working install script written in Lua.
Fixes by @Tieske to the installer
Fixes to the patch feature, contributed by Philipp Janda
Merge branch 'master' of github.com:keplerproject/luarocks
Improve patch compatibility, as suggested by Philipp Janda
Merge pull request #126 from ignacio/install_lua

Whoa, it does not feel like 1994 anymore!!