Remove dot notation for attribute references

Dots are valid characters in attribute names and are used specifically
by Redshift and RDS.
Merge pull request #3 from agperson/fix_dot_params

Remove dot notation for attribute references
Added Guard config
Fixed parser error handling for multiline strings

Parser error handling fails when multiline strings contain Cfoo
shortcuts (#2)
Don't use Guard with Ruby 1.8
Don't install Guard on Ruby 1.9.2 either
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Pinned parslet version
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Merge branch 'master' of github.com:drrb/cfoo
Support conditional functions