Update README.md

Reworded a few things, an update is also due within next few days where I'll be placing the Lite and Dedi classes in to their own projects.
Updated

Split the Free & Paid versions in to separate projects.
Updated the Unit tests.
Removed bugs.
Small revisions
Delete RateTest.cs
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Revert "^"

This reverts commit 0e8b3bf3e051e524cd78b73c308272a348d4d42f.
Revert "Revert "^""

This reverts commit 52e21bff073b6e51fc5913345b080713a85b363f.
Revert "Revert "Revert "^"""

This reverts commit a1b027c6954acfec60f4cbdc4be9094cf5b87fe0.
Revert "Update README.md"

This reverts commit d135d249b62fdb00e477c831c7bb58a781bd02a0.
Update
Up
Update
Update
Update
Merge branch 'master' of https://github.com/AydinAdn/RateSharp.Net
Delete RateTest.cs
^
Revert "^"

This reverts commit 0e8b3bf3e051e524cd78b73c308272a348d4d42f.
Revert "Revert "^""

This reverts commit 52e21bff073b6e51fc5913345b080713a85b363f.
Revert "Revert "Revert "^"""

This reverts commit a1b027c6954acfec60f4cbdc4be9094cf5b87fe0.