Add String.prototype.trim(), and non-standard trimLeft(), trimRight()

This fixes #32
Add Date.now()

This fixes #33
Fix Object.create() prototype assignment

This fixes #30
Fix ./inline > inline.go (OSX 10.8.3, Perl 5.12.4)

This fixes #34

  ~$ ./inline > inline.go
  Can't locate object method "print" via package "IO::File" at ./inline line 24.
  ~$ perl -V
	Summary of my perl5 (revision 5 version 12 subversion 4) configuration:

	  Platform:
	    osname=darwin, osvers=12.0, archname=darwin-thread-multi-2level
	    uname='darwin b1017.apple.com 12.0 darwin kernel version 12.0.0: tue may 15 23:31:29 pdt 2012; root:xnu-2050.6.70~1release_x86_64 x86_64 '
	    config_args='-ds -e -Dprefix=/usr -Dccflags=-g  -pipe  -Dldflags= -Dman3ext=3pm -Duseithreads -Duseshrplib -Dinc_version_list=none -Dcc=clang'
	    hint=recommended, useposix=true, d_sigaction=define
	    useithreads=define, usemultiplicity=define
	    useperlio=define, d_sfio=undef, uselargefiles=define, usesocks=undef
	    use64bitint=define, use64bitall=define, uselongdouble=undef
	    usemymalloc=n, bincompat5005=undef
	  Compiler:
	    cc='clang', ccflags ='-arch i386 -arch x86_64 -g -pipe -fno-common -DPERL_DARWIN -fno-strict-aliasing -fstack-protector -I/usr/local/include',
	    optimize='-Os',
	    cppflags='-g -pipe -fno-common -DPERL_DARWIN -fno-strict-aliasing -fstack-protector -I/usr/local/include'
	    ccversion='', gccversion='4.2.1 Compatible Apple Clang 4.0 (tags/Apple/clang-418.0.60)', gccosandvers=''
	    intsize=4, longsize=8, ptrsize=8, doublesize=8, byteorder=12345678
	    d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=16
	    ivtype='long', ivsize=8, nvtype='double', nvsize=8, Off_t='off_t', lseeksize=8
	    alignbytes=8, prototype=define
	  Linker and Libraries:
	    ld='clang -mmacosx-version-min=10.8', ldflags ='-arch i386 -arch x86_64 -fstack-protector -L/usr/local/lib'
	    libpth=/usr/local/lib /usr/lib
	    libs=-ldbm -ldl -lm -lutil -lc
	    perllibs=-ldl -lm -lutil -lc
	    libc=, so=dylib, useshrplib=true, libperl=libperl.dylib
	    gnulibc_version=''
	  Dynamic Linking:
	    dlsrc=dl_dlopen.xs, dlext=bundle, d_dlsymun=undef, ccdlflags=' '
	    cccdlflags=' ', lddlflags='-arch i386 -arch x86_64 -bundle -undefined dynamic_lookup -L/usr/local/lib -fstack-protector'

	Characteristics of this binary (from libperl):
	  Compile-time options: MULTIPLICITY PERL_DONT_CREATE_GVSV
	                        PERL_IMPLICIT_CONTEXT PERL_MALLOC_WRAP USE_64_BIT_ALL
	                        USE_64_BIT_INT USE_ITHREADS USE_LARGE_FILES
	                        USE_PERLIO USE_PERL_ATOF USE_REENTRANT_API
	  Locally applied patches:
		/Library/Perl/Updates/<version> comes before system perl directories
		installprivlib and installarchlib points to the Updates directory
	  Built under darwin
	  Compiled at Jun 16 2012 10:12:45
	  @INC:
	    /Library/Perl/5.12/darwin-thread-multi-2level
	    /Library/Perl/5.12
	    /Network/Library/Perl/5.12/darwin-thread-multi-2level
	    /Network/Library/Perl/5.12
	    /Library/Perl/Updates/5.12.4
	    /System/Library/Perl/5.12/darwin-thread-multi-2level
	    /System/Library/Perl/5.12
	    /System/Library/Perl/Extras/5.12/darwin-thread-multi-2level
	    /System/Library/Perl/Extras/5.12
Add String.localeCompare
Refine parts of builtin_array.go
Add String.trim (robertkrimen)
Add Otto.Copy()
Fix TestDate_now to be less flakey

Only test up to second