Fix typo: 'plain' -> 'plane'

https://en.wikipedia.org/wiki/Plane_(Unicode)#Basic_Multilingual_Plane

Ensure `genString` always generates at least one character

Enhance string & char generation

Add some generator functions

Update for PureScript 0.11

[BREAKING] Make splitAt return a record, fixes #69

* Add unsafeRegex

Fixes #73.

* Make purescript-partial a non-dev dependency

* Move unsa...

Update documentation - split now takes a Pattern

Rewrote null check to use mempty

Prepare for 2.0 release

* Added a monoid instance and helper functions to regex flags

* Refactored the regex flags code

Added 'splitAt' function

Export `count` again

Remove reference to `fromChar` in documentation

- `fromChar` was removed in #59.

Updates for PureScript 0.8

Reset Regex state after calling 'test', resolves #7

Previously, the second `assert` in the following code would fail:
``` purs
let pattern = regex "...

Deprecate count, resolves #46

Handle Regex syntax errors, resolves #48

Handle negative arguments in drop, resolves #52

Remove String.fromChar, Char.toString, fixes #51

With this change, `drop` handles negative arguments consistently:
``` purs
drop (-2) "abcdef" ==...

Removes the export for the function `count`.

In order to avoid runtime errors, this commit replaces
```
regex :: String -> RegexFlags -> Rege...

Remove unused import

The PureScript compiler warns about unused imports as of 0.7.6.

Uppercase/lowercase on Char, tests, and more

Add `stripSuffix`

Remove Show instance for Char, we have that in Prelude

Testing
--

* Added `test/` directory.
* Added `pulp test` to the `build` script.
* New dev depe...

Added

* `Data.Char.toUpperChar :: Char -> Char`
* `Data.Char.toLowerChar :: Char -> Char`

Remo...

Fix split docs, fixes #30

Docs updates