0.6 --- Changes: * The `askAspell` function is now thread-safe. 0.5 --- New features: * Added support for passing arguments directly to `aspell` via the new `RawArg` constructor of `AspellOption` (#6) 0.4 --- Misc changes: * The package now uses and depends on `async` instead of using raw `forkIO`. 0.3 --- Package changes: * Relaxed process lower bound to version 1.3. API changes: * Added 'aspellDictionaries' to obtain the list of installed dictionaries. Other changes: * startAspell now gracefully handles Aspell startup failures by reporting Aspell's standard error output in the event of a failed startup. It also sanity-checks the Aspell pipe mode identification string. (Fixes #2, #3.) 0.2 --- * Relaxed base upper bound to < 5. 0.1 --- Initial release.