Add crew -V|--version and -v|--verbose options

lib/const.rb

 # Defines common constants used in different parts of crew
 
+CREW_VERSION = '0.4.3'
+
 ARCH = `uname -m`.strip
 ARCH_LIB = if ARCH == 'x86_64' then 'lib64' else 'lib' end
 

lib/package.rb

@@ -105,10 +105,18 @@ class Package
     if @in_build == true
       if args[0] == "make"
         # modify ["make", "args", ...] into ["make", "-j#{CREW_NPROC}", "args", ...]
-        args.insert(1, "-j#{CREW_NPROC}")
+        if @opt_verbose then
+          args.insert(1, "-j#{CREW_NPROC}", "V=1")
+        else
+          args.insert(1, "-j#{CREW_NPROC}", "V=0")
+        end
       elsif args.length == 1
         # modify ["make args..."] into ["make -j#{CREW_NPROC} args..."]
-        args[0].gsub!(/^make /, "make -j#{CREW_NPROC} ")
+        if @opt_verbose then
+          args[0].gsub!(/^make /, "make -j#{CREW_NPROC} V=1 ")
+        else
+          args[0].gsub!(/^make /, "make -j#{CREW_NPROC} V=0 ")
+        end
       end
     end
     Kernel.system(*args)