renamed parameter next to prevent shadowing of Lua next function
busted module table itself. And removed 'before' and 'after' (aliases to setup and teardown)
fixed test files by requiring busted (no longer a global)
Merge pull request #165 from Tieske/rename_next

renamed parameter next to prevent shadowing of Lua next function
Merge pull request #166 from Tieske/cleanup_globals

Cleanup globals
removed 'push' alias
use tailcalls in steps
aligned code, removed unnecessary variable
condensed and simplified code
several minor changes
removed usage of globals
removed global
added comment line
Merge pull request #167 from Tieske/cleanup

More cleanup
removed pcall from loop, generically use coxpcall.
added coxpcall to rockspec
add gettime to exported busted table, so access is possible from loops
added timers for copas (and generic coroutine schedulers) and api documentation for the loops.
finished docs
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Merge pull request #168 from Tieske/master

Added generic timers + docs on the async loop api