Tidying up core (#256)

* remove _ prefixes except for functions to be patternified
* categorise pattern methods
* experimental support for `.add.squeeze` and friends as alternative to `.addSqueeze`
* `every` is now an alias for `firstOf` with additional `lastOf` (which every will become an alias for next)

packages/tonal/test/tonal.test.mjs

@@ -12,6 +12,6 @@ import { describe, it, expect } from 'vitest';
 
 describe('tonal', () => {
   it('Should run tonal functions ', () => {
-    expect(pure('c3').scale('C major').scaleTranspose(1)._firstCycleValues).toEqual(['D3']);
+    expect(pure('c3').scale('C major').scaleTranspose(1).firstCycleValues).toEqual(['D3']);
   });
 });