Optimization tracing implemented
Merge branch 'master'

Conflicts:
	src/main/java/ru/histone/Histone.java
Optimization tracing implemented
Deparser bugfix
Deparser bugfix
Bugfix
Bugfix
Bugfix
Experimental bufix
1. 'For' in AstMarker fixed
2. ConstantPropagation disabled
3. Minor fixes
Added debug information about evaluation times after each step of optimization
Minor refactoring
Simple version of optimizeAst implemented