Rename IOUtilityClasses.md and update Welcome and README docs

IOUtilityClasses.md was renamed to IOUtils.md. Welcome.md and
README.md had links updated accordingly.

Author: delphidabbler

Docs/IOUtilityClasses.md Docs/IOUtils.md

@@ -14,7 +14,7 @@ The Library currently contains the following projects.
 | [Extended String Property Editor](StringPE.md) | Property editor that allows multi-line and long _string_ and _TCaption_ properties to be edited at design time. |
 | [Fractions Unit](FractionsUnit.md) | Defines an advanced "record with methods" type that encapsulates fraction and related operations. |
 | [Hot Label Component](HotLabelComponent.md) | Label component that accesses a URL when clicked. The URL is displayed in the default web browser or email client. |
-| [I/O Utilities Unit](IOUtilityClasses.md) | Several classes that assist with various I/O related tasks, including working with pipes and inheritable file handles. |
+| [I/O Utilities Unit](IOUtils.md) | Several classes that assist with various I/O related tasks, including working with pipes and inheritable file handles. |
 | [MD5 Message Digest Unit](MD5.md) | Implementation of the MD5 Message Digest Algorithm as a Delphi class. This is an implementation from scratch, not a wrapper round earlier code. |
 | [Message Dialog Components](MessageDialogComponents.md) | Components that wrap message dialogue boxes provided by the Delphi VCL and the Windows API. |
 | [Resource File Unit](ResFileUnit.md) | Contains classes that encapsulate 32 bit binary resource files and the resources they contain. Can read and update raw resource file data. |

Docs/Welcome.md

@@ -16,7 +16,7 @@ The project contains these components, classes and IDE extensions:
 | Extended String Property Editor | [GitHub](Docs/StringPE.md) | [SourceForge](https://sourceforge.net/projects/ddablib/files/stringpe/) | [Website](http://www.delphidabbler.com/software/stringpe) | Win32<br><strike>Win64</strike> | IDE |
 | Fractions Unit *(beta)* | [GitHub](Docs/FractionsUnit.md) | [SourceForge](https://sourceforge.net/projects/ddablib/files/fractions/) | [Website](http://www.delphidabbler.com/software/fractions) | Win32<br>Win64 | RTL |
 | Hot Label Component | [GitHub](Docs/HotLabelComponent.md) | [SourceForge](https://sourceforge.net/projects/ddablib/files/hotlabel/) | [Website](http://www.delphidabbler.com/software/hotlabel) | Win32<br>Win64 | VCL<br><strike>FMX</strike> |
-| I/O Utility Classes | [GitHub](Docs/IOUtilityClasses.md) | [SourceForge](https://sourceforge.net/projects/ddablib/files/ioutils/) | [Website](http://delphidabbler.com/software/ioutils) | Win32<br>Win64 | RTL |
+| I/O Utility Classes | [GitHub](Docs/IOUtils.md) | [SourceForge](https://sourceforge.net/projects/ddablib/files/ioutils/) | [Website](http://delphidabbler.com/software/ioutils) | Win32<br>Win64 | RTL |
 | MD5 Message Digest Class | [GitHub](Docs/MD5.md) | [SourceForge](https://sourceforge.net/projects/ddablib/files/md5/) | [Website](http://www.delphidabbler.com/software/md5) | Win32<br>Win64 | RTL |
 | Message Dialogue Components | [GitHub](Docs/MessageDialogComponents.md) | [SourceForge](https://sourceforge.net/projects/ddablib/files/msgdlg/) | [Website](http://www.delphidabbler.com/software/msgdlg)| Win32<br>Win64 | VCL<br><strike>FMX</strike> |
 | Resource File Unit | [GitHub](Docs/ResFileUnit.md) | [SourceForge](https://sourceforge.net/projects/ddablib/files/resfile/) | [Website](http://www.delphidabbler.com/software/resfile) | Win32<br>Win64 | RTL |