Fix typo in comments
Add support for decompile lambda.
(cherry picked from commit c9bc67877329054791762d6bc13a2c297b911347)
Add support for ldnull opcode

(cherry picked from commit 59779cf547777016bca9215a33f3e208c7c66d2d)

Conflicts:
	src/DelegateDecompiler/Processor.cs
Refactoring of contributions
Sign the assembly
Set version to 0.8.0