Bumped version number to 0.2.0-SNAPSHOT
Updated introduction and description
Implemented discrete time (async support still missing)
Fixed a bug with adding timeouts while inside the callback of an interval
Halfway preparing schedule for async callbacks
Allow execTimeout running in parallel
Replaced sequential handling of timeouts to parallel
A little refactoring
Some code simplifications
Implemented support for async timeouts
Implemented support for asynchronous timeouts (docs and examples still missing)
Removed support for negative rates
Changed resolving intervals from relative to absolute
Added documentation and examples on discrete time
Released version 1.0.0