Changes from 0.6.x to 0.7

Only a draft version, must be enhanced.

• When you upgrade be sure to read the UPGRADE.txt in the SVN
• If you are using mISDN with PCI cards please also read this.
• There is also a ChangeLog.txt for the many changes in detail.
• Changes to the Web interface by Lonnie, are found here altweb-changelog.txt
  (0.7.x uses version 1.6.xx).