Some problems when running on Mac OS

[aleen42]

• The first time you use -l or --line option to have a statistic for code, you should install xCode first in Mac OS, because of using svn
• If you use svn at the first time, you should permit for accessing GitHub, or you will meet the proble like the follow one:

ls some repository and press p

svn ls https://github.com/aleen42/aleen42.github.com.git

Error validating server certificate for 'https://github.com:443':
 - The certificate is not issued by a trusted authority. Use the
   fingerprint to validate the certificate manually!
Certificate information:
 - Hostname: github.com
 - Valid: from Thu, 10 Mar 2016 00:00:00 GMT until Thu, 17 May 2018 12:00:00 GMT
 - Issuer: www.digicert.com, DigiCert Inc, US
 - Fingerprint: d7:9f:07:61:10:b3:92:93:e3:49:ac:89:84:5b:03:80:c1:9e:2f:8b
(R)eject, accept (t)emporarily or accept (p)ermanently?