Add help and change alternative command from _ to -

Author: pesse

README.md

@@ -147,6 +147,12 @@ utplsql run "my/Username"/"myP@ssword"@connectstring
                       
 -dbout              - Enables DBMS_OUTPUT in the TestRunner-Session
 (--dbms_output)       Default: false
+
+-random             - Enables random order of test executions
+(--random-test-order) Default: false
+
+-seed               - Sets the seed to use for random test execution order. If set, it sets -random to true
+(--random-test-order-seed)
 ```
 
 Parameters -f, -o, -s are correlated. That is parameters -o and -s are controlling outputs for reporter specified by the preceding -f parameter.

src/main/java/org/utplsql/cli/RunCommand.java

@@ -128,13 +128,13 @@ public class RunCommand implements ICommand {
     private boolean enableDbmsOutput = false;
 
     @Parameter(
-            names = {"-random", "--random_test_order"},
+            names = {"-random", "--random-test-order"},
             description = "Enables random order of test executions (default: DISABLED)"
     )
     private boolean randomTestOrder = false;
 
     @Parameter(
-            names = {"-seed", "--random_test_order_seed"},
+            names = {"-seed", "--random-test-order-seed"},
             description = "Sets the seed to use for random test execution order. If set, it sets -random to true"
     )
     private Integer randomTestOrderSeed;