Updated github templates [skip ci]

.github/ISSUE_TEMPLATE/bug_report.md

@@ -17,6 +17,18 @@ assignees: marzer
 
 
 ## Environment
+**toml++ version and/or commit hash:**  
+<!--
+    If you're using the single-header version of the library, the version number is right at the top of the file.
+	Otherwise you can find it by opening toml++/toml_version.h; it'll be represented by three defines -
+	TOML_LANG_MAJOR, TOML_LANG_MINOR and TOML_LANG_PATCH.
+	
+	If you're not using any particular release and are instead just living large at HEAD of master, the commit hash
+	would be super helpful too, though it's not critical.
+	
+-->
+
+
 **Compiler:**  
 <!--
     The compiler & version, e.g. "Clang 9"

.github/pull_request_template.md

@@ -27,6 +27,7 @@
     That's OK.
 --->
 - [ ] I've read [CONTRIBUTING.md]
+- [ ] I've rebased my changes against the current HEAD of `origin/master` (if necessary)
 - [ ] I've added new test cases to verify my change
 - [ ] I've regenerated toml.hpp ([how-to])
 - [ ] I've updated any affected documentation
@@ -34,7 +35,7 @@
     - [ ] Clang 6 or higher
     - [ ] GCC 7 or higher
     - [ ] Visual Studio 2019
-- [ ] I've forever enshrined myself in glory by adding myself to the list of contributors in [README.md](https://github.com/marzer/tomlplusplus/blob/master/README.md)
+- [ ] I've given myself mad props by adding my name to the list of contributors in [README.md](https://github.com/marzer/tomlplusplus/blob/master/README.md)