publishes v1.3.0.0

Added functionality to abstract the reading of text/binary STLs (see …

…STLDocument.Read) (fixes QuantumConcepts#2); commented the codebase (fixes QuantumConcepts#3); binary STLs now write the AttributeByteCount value for facets (fixes QuantumConcepts#4); added functionality to convert an STL document between text and binary format (see STLDocument.CopyAsText and STLDocument.CopyAsBinary) (fixes QuantumConcepts#5).

Renamed project and related files from 'StereoLithography' to 'STL'.