wget client can post a file now
safe changes to wgetr command
toString returns more meaningful result
Parser.parse throws ParseException
Compare method now compares comparables
the fiels actual is inherited from AbstractAssertionLogic
oops: getRandomItemFrom can throw ArrayIndexOutOfBoundsException when
the random int goes to the maximum
new method: LinuxFileContentExecutionBuilder.notContainingText
1. toString for more informative condition
2. format ----"----
3. using ComparableAssertion<Long> for fun
cleanup code