Fix dependencies between error signals and built-ins
Simplify and beautify options
Rename --allow_first_crash to --ignore_first_crash -i
Cleanup message ack system
Don't make .Pbeam when cleaning
Reduce size of time-consuming test
Better info message on unsupported
One more code server request
Support for timers, closes #6
Merge pull request #22 from aronisstav/send_after

Support for send_after
Tuple exit reasons may also be treated as normal
Fix treat_as_normal info message
Instrument 'just enough' to get symbolic PID's working
Minor fixes
Restore timer extra info when replaying
Introduce tips!
Classification fixes
Add a missing new line character
More built-in info
Add preemptive, newest first and round robin scheduling