utils version 1.0.4;
 CurrentVersion objects were added into packages to provide the current version at runtime;
 in ExecUtils: added mergingErrorStream scope for error to output redirection;
 in ExecUtils: sbt method now searches for a parent directory, containing a sbt project and executes from there;
 in FileUtils: implicit conversion from string is now to a Path, not always to a Relative one;
 in FileUtils: exec(args: Seq[String]) now has extra param exec(args: Seq[String], workingDir: Path = null),
 	      where null stands for current directory;
 todo is markdown now;
added LibManagement mechanism;
added IvyHelper searching ivy cache and local for libraries;
rename ProcessWrappersSpec.scala => ProcessWrappersSpecs.scala;
added SbtHelper that can determine project versions and publish-local;
implemented ClassPathResolver and added ClassPathResolverSpec;
implemented ScalaResolver and added ScalaResolverSpec;
todo is markdown now;