Update documentation

docs/changelog.txt

@@ -2,6 +2,12 @@
 Changelog
 #########
 
+Version 0.15.1
+==============
+
+* Package `psutil` is now a dependency, installed automatically with plugin.
+* Added `encryption` marker to mark test as requiring the encryption plugin
+
 Version 0.15.0
 ==============
 

docs/conf.py

@@ -23,10 +23,10 @@ copyright = '2022, Pavel Cisar'
 author = 'Pavel Císař'
 
 # The short X.Y version
-version = '0.15.0'
+version = '0.15.1'
 
 # The full version, including alpha/beta/rc tags
-release = '0.15.0'
+release = '0.15.1'
 
 
 # -- General configuration ---------------------------------------------------

docs/usage-guide.txt

@@ -734,10 +734,12 @@ output contains many "noise" parts). The `.Action` properties `~.Action.clean_st
 `~.Action.clean_stderr`, `~.Action.clean_expected_stdout` and `~.Action.clean_expected_stderr`
 provide such clean content.
 
-The tool execution may fail, which could be expected or unexpected by test. Expected
-fails must be indicated by assigning *ANY* string to `~.Action.expected_stderr` before
-tool is executed. In such case no error is reported and test may assert that execution
-failed in expected way. If failure is unexpected, an `.ExecutionError` exception is raised.
+.. important::
+
+   The tool execution may fail, which could be expected or unexpected by test. Expected
+   fails must be indicated by assigning *ANY* string to `~.Action.expected_stderr` before
+   tool is executed. In such case no error is reported and test may assert that execution
+   failed in expected way. If failure is unexpected, an `.ExecutionError` exception is raised.
 
 Example of test with expected failure::