Updated CHANGELOG.md/README.md files

 - updated Changelog;
 - updated Version and Quick database summary sections.

CHANGELOG.md

@@ -1,5 +1,20 @@
 # Changelog
 
+## 0.17.4 (2021-02-14)
+
+ - updated coordinates for Taishan-1, Taishan-2, Zhangzhou-1, and Zhangzhou-2;
+ - updated the construction start dates for Belene-1 and 2;
+ - updated the status for Cernavoda-3 to Suspended Construction, also updated the construction start date and coordinates;
+ - added missing reactors Cernavoda-4 (Suspended Construction) and Cernavoda-5 (Cancelled Construction);
+ - updated the status for Ignalina-3 to Cancelled Construction, also updated the construction start date;
+ - renamed Karachi-1 (Kanupp-1 / Kanupp) to Kanupp-1 to be consistent with the name of the other two reactors (Kanupp-2 and Kanupp-3);
+ - updated the status for Lungmen-1 and 2 to Suspended Construction;
+ - removed Sosnovy Bor-1 (646) - possible duplicate entry for the already planned Leningrad II reactors;
+ - added Xiapu-1 and Xiapu-2 reactors;
+ - added new status Never Commissioned (10) to be used for NPPs that were finished, but never went operational;
+ - added missing power plants Zwentendorf (797) and SNR-300 (Kalkar) (798) - these NPPs were finished, but they never went operational - Issue #3;
+ - updated with data from PRIS database (update 2021/02/14).
+
 ## 0.17.3 (2021-01-09)
 
 - updated with data from PRIS database (update 2021/01/06);

README.md

@@ -4,7 +4,7 @@ This repository contains a database with information about Nuclear Power Plants
 
 ### Version
 Database version: **0.17.0** (**2020/04/19**)  
-Dataset last updated in version: **0.17.3** (**2021/01/09**)
+Dataset last updated in version: **0.17.4** (**2021/02/14**)
 
 ### Changelog
 
@@ -19,13 +19,14 @@ Data is available in multiple formats (MySQL, JSON, and CSV).
 |**Status**            |**Count**|
 |----------------------|--------:|
 |Unknown               |        1|
-|Planned               |       86|
+|Planned               |       83|
 |Under Construction    |       52|
 |Operational           |      443|
-|Shutdown              |      191|
-|Suspended Construction|        2|
-|Cancelled Construction|        2|
-|**Total**             |  **777**|
+|Shutdown              |      192|
+|Suspended Construction|        6|
+|Cancelled Construction|        4|
+|Never Commissioned    |        2|
+|**Total**             |  **783**|
 
 ## Tables structure