improve lazy component:

[tieskedh]

• bump kotlin-version
• make if lazy
• make repeat lazy

closes #36

[codecov[bot]]

Codecov Report

Merging #49 into master will increase coverage by 2.67%. The diff coverage is 96.8%.

@@             Coverage Diff              @@
##             master      #49      +/-   ##
============================================
+ Coverage     76.26%   78.94%   +2.67%     
- Complexity      160      164       +4     
============================================
  Files            34       34              
  Lines           910      964      +54     
  Branches         86       85       -1     
============================================
+ Hits            694      761      +67     
+ Misses          161      148      -13     
  Partials         55       55

Impacted Files	Coverage Δ	Complexity Δ
...devhaan/kotlinpoetdsl/codeblock/SwitchCodeBlock.kt	92.3% <100%> (+4.07%)	0 <0> (ø)	:arrow_down:
.../nl/devhaan/kotlinpoetdsl/codeblock/IfCodeBlock.kt	100% <100%> (ø)	0 <0> (ø)	:arrow_down:
...evhaan/kotlinpoetdsl/codeblock/CodeBlockBuilder.kt	91.66% <66.66%> (-8.34%)	8 <1> (+1)
...devhaan/kotlinpoetdsl/codeblock/RepeatCodeBlock.kt	95.55% <95.55%> (-4.45%)	0 <0> (ø)
...c/main/kotlin/nl/devhaan/kotlinpoetdsl/Variable.kt	92.95% <0%> (+0.1%)	15% <0%> (+3%)	:arrow_up:
...nl/devhaan/kotlinpoetdsl/functions/FuncAcceptor.kt	71.79% <0%> (+1.79%)	0% <0%> (ø)	:arrow_down:
...n/nl/devhaan/kotlinpoetdsl/helpers/BlockWrapper.kt	100% <0%> (+2.5%)	0% <0%> (ø)	:arrow_down:
...rc/main/kotlin/nl/devhaan/kotlinpoetdsl/helpers.kt	33.33% <0%> (+8.33%)	0% <0%> (ø)	:arrow_down:
.../main/kotlin/nl/devhaan/kotlinpoetdsl/variables.kt	96.77% <0%> (+11.05%)	0% <0%> (ø)	:arrow_down:

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