Update documentation

Author: pesse

README.md

@@ -16,6 +16,10 @@ You can download development versions on [Bintray](https://bintray.com/viniciusa
 * [Java SE Runtime Environment 8](http://www.oracle.com/technetwork/java/javase/downloads/jre8-downloads-2133155.html)
 * When using reporters for Sonar or Coveralls client needs to be invoked from project's root directory.
 
+## Compatibility
+The latest CLI is always compatible with all database frameworks of the same major version.
+For example CLI-3.0.4 is compatible with database framework 3.0.0-3.0.4 but not with database framework 2.x.
+
 ## Usage
 utplsql run user/pass@[[host][:port]/]db [-p=(ut_path|ut_paths)] [-f=format [-o=output_file] [-s] ...]
 
@@ -77,6 +81,8 @@ db                  - Database to connect to.
 -c                  - If specified, enables printing of test results in colors as defined by ANSICONSOLE standards. 
                       Works only on reporeters that support colors (ut_documentation_reporter).
 --failure-exit-code - Override the exit code on failure, defaults to 1. You can set it to 0 to always exit with a success status.
+-scc                - If specified, skips the compatibility-check with the version of the database framework.
+                      If you skip compatibility-check, CLI will expect the most actual framework version
 ```
 
 Parameters -f, -o, -s are correlated. That is parameters -o and -s are controlling outputs for reporter specified by the preceding -f parameter.