Greatly improved documentation in C# tools. Enhanced readability of TestRunner by refactoring apart the tool.
Changed 2 hydrogens bonding so that it is covalent now
Merge branch 'master' of https://github.com/PathogenDavid/Periodic into element
Merge branch 'element'
Made covalent bonds easier to see.
Improved documentation in C code and protected against issue where a bond renders as both ionic and covalent.
Merge branch 'master' into element