Added historical smspec_node flag + fixed rate + total behaviour for historical values
Added EclSMSPECNode python class
Added wgname and keyword properties to smspec node
Added num property
Changed .gitignore so we nolonger see .pyc-files
Merge pull request #53 from myrseth/master

Updated .gitignore
Merge pull request #52 from joakim-hove/ecl-sum-var-properties

Ecl sum var properties