Update libCZI to v0.61.0 and document changes

Updated CMakeLists.txt to set libCZI version to 0.61.0.
Added version 0.61.0 entry in version-history.markdown.
- Fixed IXmlNodeRead::GetChildNodeReadonly for non-existing nodes.
- Added ICziWriter::GetStatistics method.

CMakeLists.txt

@@ -3,7 +3,7 @@ cmake_minimum_required(VERSION 3.15)
 cmake_policy(SET CMP0091 NEW) # enable new "MSVC runtime library selection" (https://cmake.org/cmake/help/latest/variable/CMAKE_MSVC_RUNTIME_LIBRARY.html)
 
 project(libCZI 
-      VERSION 0.60.1
+      VERSION 0.61.0
       HOMEPAGE_URL "https://github.com/ZEISS/libczi"
       DESCRIPTION "libCZI is an Open Source Cross-Platform C++ library to read and write CZI")
 

Src/libCZI/Doc/version-history.markdown

@@ -23,4 +23,4 @@ version history                 {#version_history}
  0.58.4             | [99](https://github.com/ZEISS/libczi/pull/99)        | fix a rare issue with curl_http_inputstream which would fail to read CZIs with an attachment-directory containing zero entries
  0.59.0             | [99](https://github.com/ZEISS/libczi/pull/103)       | add a check for physical size for dimensions other than X,Y,M, they must not be >1, active for strict parsing.
  0.60.0             | [106](https://github.com/ZEISS/libczi/pull/106)      | with metadata-builder, by default copy the attributes "Id" and "Name" from the channel-node; allow to control the behavior fine-grained
- 0.60.1             | [106](https://github.com/ZEISS/libczi/pull/109)      | fix behaviour of IXmlNodeRead::GetChildNodeReadonly (for non-existing nodes)
+ 0.61.0             | [106](https://github.com/ZEISS/libczi/pull/109)      | fix behaviour of `IXmlNodeRead::GetChildNodeReadonly` (for non-existing nodes), new method `ICziWriter::GetStatistics` added