Merge pull request #22 from kategray/update-phpunit

Update travis configuration and PHPUnit version
diff --git a/src/site/xdoc/docs/filters.xml b/src/site/xdoc/docs/filters.xml
index 555205d..572fcba 100644
--- a/src/site/xdoc/docs/filters.xml
+++ b/src/site/xdoc/docs/filters.xml
@@ -217,7 +217,9 @@
 			</subsection>

 			

 			<subsection name="LoggerFilterLevelRange" id="LoggerFilterLevelRange">

-				<p>This filter accepts or denies logging events if their log level is within the specified range.</p>

+				<p>This filter denies logging events if their log level is outside the specified range. None of the

+				parameters are required but it makes sense to set at least one of <code>levelMin</code> and

+				<code>levelMax</code>.</p>

 				

 				<h4>Configurable parameters</h4>

 				

@@ -235,14 +237,14 @@
 						<tr>

 							<td>levelMin</td>

 							<td>LoggerLevel</td>

-							<td><strong>Yes</strong></td>

+							<td>No</td>

 							<td>-</td>

 							<td>The minimum level to log. If set, levels lower than this will be denied.</td>

 						</tr>

 						<tr>

 							<td>levelMax</td>

 							<td>LoggerLevel</td>

-							<td><strong>Yes</strong></td>

+							<td>No</td>

 							<td>-</td>

 							<td>The maximum level to log. If set, levels higher than this will be denied.</td>

 						</tr>

@@ -251,7 +253,8 @@
 							<td>boolean</td>

 							<td>No</td>

 							<td>true</td>

-							<td>If true, the matching log level is accepted, denied otherwise.</td>

+							<td>If true, a log event within the specified range is accepted. Otherwise, the filter

+							remains neutral.</td>

 						</tr>

 					</tbody>

 				</table>

@@ -270,7 +273,8 @@
 			</subsection>

 			

 			<subsection name="LoggerFilterStringMatch" id="LoggerFilterStringMatch">

-				<p>This filter allows or denies logging events if their message contains a given string.</p>

+				<p>This filter allows or denies logging events if their message contains a given string. If no match

+				is found the filter remains neutral.</p>

 				

 				<h4>Configurable parameters</h4>

 				

@@ -290,21 +294,15 @@
 							<td>LoggerLevel</td>

 							<td><strong>Yes</strong></td>

 							<td>-</td>

-							<td>The level to match</td>

-						</tr>

-						<tr>

-							<td>levelMax</td>

-							<td>LoggerLevel</td>

-							<td><strong>Yes</strong></td>

-							<td>-</td>

-							<td>The level to match</td>

+							<td>The string to match. Matches are case sensitive.</td>

 						</tr>

 						<tr>

 							<td>acceptOnMatch</td>

 							<td>boolean</td>

 							<td>No</td>

 							<td>true</td>

-							<td>If true, the matching log level is accepted, denied otherwise.</td>

+							<td>If true and a match is found, the matching log event is accepted. If false and a

+							match is found, the matching log event is denied.</td>

 						</tr>

 					</tbody>

 				</table>