Remove `timer:sleep/1` from `sync_test/0`
The test waits to collect results from all spawned processes in
`gather_successful_trans_count/1` so there is no need to sleep.
Removed indirection in nif resource
Fixed synchronization problems
Renamed application and module 'stm'
Initial semi-working version
Can store integers
- Binary Storage
- Multi-process tests
Scaffolding for stm_erl